computed tomographic colonography

Summary

Summary: A non-invasive imaging method that uses computed tomographic data combined with specialized imaging software to examine the colon.

Top Publications

  1. ncbi CT colonography versus colonoscopy for the detection of advanced neoplasia
    David H Kim
    Department of Radiology, University of Wisconsin Medical School, Madison 53792 3252, USA
    N Engl J Med 357:1403-12. 2007
  2. pmc Accuracy of CT colonography for detection of large adenomas and cancers
    C Daniel Johnson
    Mayo Clinic Arizona, Scottsdale, AZ, USA
    N Engl J Med 359:1207-17. 2008
  3. ncbi CT colonography reporting and data system: a consensus proposal
    Michael E Zalis
    Radiology 236:3-9. 2005
  4. ncbi Comparison of CT colonography, colonoscopy, sigmoidoscopy and faecal occult blood tests for the detection of advanced adenoma in an average risk population
    A Graser
    Department of Clinical Radiology, University of Munich, Klinikum Grosshadern, Munich, Germany
    Gut 58:241-8. 2009
  5. ncbi Preoperative T and N staging of colorectal cancer: accuracy of contrast-enhanced multi-detector row CT colonography--initial experience
    Antonella Filippone
    Department of Clinical Sciences and Bioimages, Section of Radiology, SS Annunziata Hospital, G D Annunzio University, Via dei Vestini, 66013 Chieti, Italy
    Radiology 231:83-90. 2004
  6. ncbi Diagnostic accuracy of computed tomographic colonography for the detection of advanced neoplasia in individuals at increased risk of colorectal cancer
    Daniele Regge
    Radiology Unit, Institute for Cancer Research and Treatment, Candiolo, Turin, Italy
    JAMA 301:2453-61. 2009
  7. ncbi Automated insufflation of carbon dioxide for MDCT colonography: distension and patient experience compared with manual insufflation
    David Burling
    Department of Intestinal Imaging, St Mark s and Northwick Park Hospitals, Harrow HA1 3UJ, UJK
    AJR Am J Roentgenol 186:96-103. 2006
  8. ncbi Computed tomography colonography: feasibility of computer-aided polyp detection in a "first reader" paradigm
    Aravind Mani
    Department of Radiology, Stanford University Medical Center, and Stanford Medical School, CA 94305, USA
    J Comput Assist Tomogr 28:318-26. 2004
  9. ncbi Colonic preparation for computed tomographic colonography: understanding the relative advantages and disadvantages of a noncathartic approach
    Perry J Pickhardt
    Mayo Clin Proc 82:659-61. 2007
  10. pmc Cost-effectiveness of computed tomographic colonography screening for colorectal cancer in the medicare population
    Amy B Knudsen
    Institute for Technology Assessment, Massachusetts General Hospital, 101 Merrimac St, 10th Floor, Boston, MA 02114
    J Natl Cancer Inst 102:1238-52. 2010

Detail Information

Publications261 found, 100 shown here

  1. ncbi CT colonography versus colonoscopy for the detection of advanced neoplasia
    David H Kim
    Department of Radiology, University of Wisconsin Medical School, Madison 53792 3252, USA
    N Engl J Med 357:1403-12. 2007
    Advanced neoplasia represents the primary target for colorectal-cancer screening and prevention. We compared the diagnostic yield from parallel computed tomographic colonography (CTC) and optical colonoscopy (OC) screening programs.
  2. pmc Accuracy of CT colonography for detection of large adenomas and cancers
    C Daniel Johnson
    Mayo Clinic Arizona, Scottsdale, AZ, USA
    N Engl J Med 359:1207-17. 2008
    ..Computed tomographic (CT) colonography is a noninvasive option in screening for colorectal cancer. However, its accuracy as a screening tool in asymptomatic adults has not been well defined...
  3. ncbi CT colonography reporting and data system: a consensus proposal
    Michael E Zalis
    Radiology 236:3-9. 2005
  4. ncbi Comparison of CT colonography, colonoscopy, sigmoidoscopy and faecal occult blood tests for the detection of advanced adenoma in an average risk population
    A Graser
    Department of Clinical Radiology, University of Munich, Klinikum Grosshadern, Munich, Germany
    Gut 58:241-8. 2009
    ....
  5. ncbi Preoperative T and N staging of colorectal cancer: accuracy of contrast-enhanced multi-detector row CT colonography--initial experience
    Antonella Filippone
    Department of Clinical Sciences and Bioimages, Section of Radiology, SS Annunziata Hospital, G D Annunzio University, Via dei Vestini, 66013 Chieti, Italy
    Radiology 231:83-90. 2004
    ..To evaluate the accuracy of contrast material-enhanced multi-detector row computed tomographic (CT) colonography for preoperative staging of colorectal cancer...
  6. ncbi Diagnostic accuracy of computed tomographic colonography for the detection of advanced neoplasia in individuals at increased risk of colorectal cancer
    Daniele Regge
    Radiology Unit, Institute for Cancer Research and Treatment, Candiolo, Turin, Italy
    JAMA 301:2453-61. 2009
    ..Computed tomographic (CT) colonography has been recognized as an alternative for colorectal cancer (CRC) screening in average-risk individuals, but less information is available on its performance in individuals at increased risk of CRC...
  7. ncbi Automated insufflation of carbon dioxide for MDCT colonography: distension and patient experience compared with manual insufflation
    David Burling
    Department of Intestinal Imaging, St Mark s and Northwick Park Hospitals, Harrow HA1 3UJ, UJK
    AJR Am J Roentgenol 186:96-103. 2006
    ..The purpose of our study was to compare the effects of automated and manual carbon dioxide insufflation before CT colonography on distention and patient acceptance...
  8. ncbi Computed tomography colonography: feasibility of computer-aided polyp detection in a "first reader" paradigm
    Aravind Mani
    Department of Radiology, Stanford University Medical Center, and Stanford Medical School, CA 94305, USA
    J Comput Assist Tomogr 28:318-26. 2004
    ..To determine the feasibility of a computer-aided detection (CAD) algorithm as the "first reader" in computed tomography colonography (CTC)...
  9. ncbi Colonic preparation for computed tomographic colonography: understanding the relative advantages and disadvantages of a noncathartic approach
    Perry J Pickhardt
    Mayo Clin Proc 82:659-61. 2007
  10. pmc Cost-effectiveness of computed tomographic colonography screening for colorectal cancer in the medicare population
    Amy B Knudsen
    Institute for Technology Assessment, Massachusetts General Hospital, 101 Merrimac St, 10th Floor, Boston, MA 02114
    J Natl Cancer Inst 102:1238-52. 2010
    The Centers for Medicare and Medicaid Services (CMS) considered whether to reimburse computed tomographic colonography (CTC) for colorectal cancer screening of Medicare enrollees...
  11. ncbi European Society of Gastrointestinal and Abdominal Radiology (ESGAR): consensus statement on CT colonography
    Stuart A Taylor
    Department of Imaging, University College Hospital, 2F Podium, 235 Euston Road, London, NW1 2BU, United Kingdom
    Eur Radiol 17:575-9. 2007
    ..There was consensus that polyps 4 mm or less could be ignored assuming agreement from local gastroenterological colleagues. There is increasing consensus amongst European experts as to the current best practice in CTC...
  12. ncbi Potentially serious adverse events at CT colonography in symptomatic patients: national survey of the United Kingdom
    David Burling
    Department of Specialist Radiology, Podium Level 2, University College Hospital, Euston Road, London NW1 2BU, England
    Radiology 239:464-71. 2006
    ..To retrospectively determine the incidence of potentially serious adverse events associated with computed tomographic (CT) colonography performed in patients with symptoms of colorectal cancer...
  13. ncbi Diverticular disease in CT colonography
    Philippe Lefere
    Department of Radiology, Stedelijk Ziekenhuis, Brugesteenweg 90, 8800 Roeselare, Belgium
    Eur Radiol 13:L62-74. 2003
    ..In case of equivocal findings additional conventional colonoscopy should be advised whenever a clinically significant lesion (> or = 1 cm) is suspected...
  14. ncbi Colonic polyps: complementary role of computer-aided detection in CT colonography
    Ronald M Summers
    Department of Diagnostic Radiology, Warren Grant Magnuson Clinical Center, National Institutes of Health, 10 Center Dr, MSC 1182, Bldg 10, Rm 1C660, Bethesda, MD 20892 1182, USA
    Radiology 225:391-9. 2002
    ....
  15. ncbi Patient-controlled room air insufflation versus automated carbon dioxide delivery for CT colonography
    Theodore J Shinners
    Department of Radiology, University of Wisconsin Medical School, Clinical Science Center, 600 Highland Ave, Madison, WI 53792, USA
    AJR Am J Roentgenol 186:1491-6. 2006
    ..Our objective was to prospectively compare colonic distention and patient comfort at screening CT colonography (CTC) with patient-controlled room air (RA) insufflation versus automated carbon dioxide (CO2) delivery...
  16. ncbi Computed tomographic colonography: assessment of radiologist performance with and without computer-aided detection
    Steve Halligan
    Department of Specialist Radiology, University College Hospital, London, England
    Gastroenterology 131:1690-9. 2006
    ..However, the unavoidable interaction between CAD and the reader has not been addressed...
  17. ncbi Spasmolysis at CT colonography: butyl scopolamine versus glucagon
    Patrik Rogalla
    Department of Radiology, Charite Campus Mitte, Universitatsmedizin Berlin, Schumannstr 20 21, 10098 Berlin, Germany
    Radiology 236:184-8. 2005
    ..To retrospectively determine if the use of butyl scopolamine or glucagon in the supine patient improves colonic distention and reduces the number of collapsed intestinal segments at computed tomographic (CT) colonography...
  18. ncbi Standards for gastroenterologists for performing and interpreting diagnostic computed tomographic colonography
    Don C Rockey
    University of Texas Southwestern Medical Center, Division of Digestive and Liver Diseases, Dallas, Texas, USA
    Gastroenterology 133:1005-24. 2007
  19. ncbi Value of virtual computed tomographic colonography for Crohn's colitis: comparison with endoscopy and barium enema
    Y Ota
    Department of Gastroenterology, Fukuoka University Chikushi Hospital, Zokumyoin 377 1, Chikushino Shi, Fukuoka, 818 8502, Japan
    Abdom Imaging 28:778-83. 2003
    ..We evaluated the usefulness of virtual computed tomographic colonography (CTC) for the detection of colonic lesions due to Crohn's disease.
  20. ncbi The diagnostic value of multiplanar reconstruction on MDCT colonography for the preoperative staging of colorectal cancer
    Kwang Nam Jin
    Department of Radiology, Seoul National University College of Medicine, 28, Yongon Dong, Chongno Gu, Seoul, 110 744, South Korea
    Eur Radiol 16:2284-91. 2006
    ..337-0.707). In conclusion, the combined interpretation of the axial and MPR MDCT images significantly improved the local staging of colorectal cancer compared with assessments based on axial images alone...
  21. ncbi Computer-aided diagnosis scheme for detection of polyps at CT colonography
    Hiroyuki Yoshida
    Department of Radiology, University of Chicago, 5841 S Maryland Ave, MC20206, IL 60637, USA
    Radiographics 22:963-79. 2002
    ..This CAD scheme permits accurate detection of suspicious lesions and thus has the potential to reduce radiologists' interpretation time and improve their diagnostic accuracy in the detection of polyps at CT colonography...
  22. ncbi Mass screening with CT colonography: should the radiation exposure be of concern?
    David J Brenner
    Center for Radiological Research, Columbia University Medical Center, New York, New York 10032, USA
    Gastroenterology 129:328-37. 2005
    ..Therefore, it is pertinent to consider the radiation exposure and any potential radiation risk to the population from such a mass CTC screening program...
  23. ncbi Choosing between CT colonography and colonoscopy in the diagnostic context: a qualitative study of influences on patient preferences
    Christian von Wagner
    Cancer Research UK, Health Behavior Research Centre, University College London, London, UK
    Health Expect 12:18-26. 2009
    ..To explore information needs and preferences on diagnostic bowel tests and elicit preferences for CT colonography (CTC) vs. colonoscopy (CC)...
  24. ncbi Registration of central paths and colonic polyps between supine and prone scans in computed tomography colonography: pilot study
    Ping Li
    Department of Statistics, Stanford University, Stanford, California 94305, USA
    Med Phys 31:2912-23. 2004
    ..With polyp registration, the average number of comparisons was 1.78 per polyp, as opposed to 4.28 comparisons without polyp registration...
  25. ncbi Deformable registration of supine and prone colons for computed tomographic colonography
    Jung W Suh
    Diagnostic Radiology, Yale University School of Medicine, New Haven, CT 06520, USA
    J Comput Assist Tomogr 33:902-11. 2009
    b>Computed tomographic colonography is a minimally invasive technique for detecting colorectal polyps and colon cancer...
  26. ncbi Polyp detection with CT colonography: primary 3D endoluminal analysis versus primary 2D transverse analysis with computer-assisted reader software
    Stuart A Taylor
    Department of Intestinal Imaging, St Mark s Hospital, Northwick Park, Harrow, United Kingdom
    Radiology 239:759-67. 2006
    ....
  27. ncbi Computed tomographic colonography: current perspectives and future directions
    Don C Rockey
    Division of Digestive and Liver Diseases, University of Texas Southwestern Medical Center, Dallas, Texas 75390 8887, USA
    Gastroenterology 137:7-14. 2009
    ..Although much about CT colonography has already been learned, more remains to be learned in the future...
  28. ncbi Polyp measurement and size categorisation by CT colonography: effect of observer experience in a multi-centre setting
    David Burling
    Intestinal Imaging Centre, St Marks Hospital, London, UK
    Eur Radiol 16:1737-44. 2006
    ..e. large polyps misclassified as medium). Caution should be exercised for polyps whose colonographic diameter is below but close to the 1-cm boundary threshold in order to avoid potential miscategorisation of advanced adenomas...
  29. ncbi Current role and future potential of computed tomographic colonography for colorectal polyp detection and colon cancer screening-incidental findings
    Christian Sohns
    Department of Radiology, Georg August University Goettingen, Robert Koch Str 40, 37099 Goettingen, Germany
    Clin Imaging 32:280-6. 2008
    ..In this retrospective study, we assess the current role and future potential of computed tomographic (CT) colonography as a viable alternative imaging tool for colorectal polyp detection and colon cancer screening...
  30. ncbi Should computed tomographic colonography replace optical colonoscopy in screening for colorectal cancer?
    Ganesh R Veerappan
    Gastroenterology Service, Walter Reed Army Medical Center, Washington, DC, USA
    Pol Arch Med Wewn 119:236-41. 2009
    ..b>Computed tomographic colonography (CTC) is a minimally invasive, structural evaluation of the entire colorectum that has recently been ..
  31. ncbi CT colonography: feasibility of substantial dose reduction--comparison of medium to very low doses in identical patients
    Rogier E van Gelder
    Department of Radiology, Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 232:611-20. 2004
    ..Initial observations indicate that it is feasible to reduce the radiation dose required for CT colonography. Further studies are needed, however, to investigate the clinical value of very low-dose CT colonography...
  32. ncbi Perforated colon secondary to virtual colonoscopy: report of a case
    Loretta Coady-Fariborzian
    Division of Colon and Rectal Surgery, Department of Surgery, North Shore University Hospital, Manhasset, New York, USA
    Dis Colon Rectum 47:1247-9. 2004
    ..The pathologic findings were described as ulcerative colitis with full-thickness perforation. To the best of our knowledge, this is the first complication from a virtual colonoscopy reported in the literature...
  33. ncbi Prospective blinded evaluation of computed tomographic colonography for screen detection of colorectal polyps
    C Daniel Johnson
    Department of Radiology, Mayo Clinic Rochester, 200 First Street S W, Rochester, Minnesota 55905, USA
    Gastroenterology 125:311-9. 2003
    ..This study used a low lesion prevalence population reflective of the screening setting to estimate the sensitivity and specificity of computerized tomographic (CT) colonography for detection of colorectal polyps...
  34. ncbi Actual colonic perforation in virtual colonoscopy: report of a case
    Moshe Kamar
    Department of Surgery and Transplantation, Sheba Medical Center, Tel Hashomer, Israel
    Dis Colon Rectum 47:1242-4; discussion 1244-6. 2004
    ..Thus, it is suggested that in such cases, air insufflation should be gradual, thereby minimizing the risk of perforation...
  35. ncbi Computed tomographic colonography: prevalence, nature, and clinical significance of extracolonic findings in a community screening program
    Marcus Chin
    Department of Gastroenterology and Hepatology, Royal Perth Hospital, Western Australia
    Am J Gastroenterol 100:2771-6. 2005
    Colorectal neoplasia screening by computed tomographic colonography (CTC) may lead to the detection of incidental extracolonic findings...
  36. ncbi Computed tomographic virtual colonoscopy to screen for colorectal neoplasia in asymptomatic adults
    Perry J Pickhardt
    Department of Radiology, National Naval Medical Center, Bethesda, MD, USA
    N Engl J Med 349:2191-200. 2003
    ..We evaluated the performance characteristics of computed tomographic (CT) virtual colonoscopy for the detection of colorectal neoplasia in an average-risk screening population...
  37. ncbi Colonic perforation at CT colonography: assessment of risk in a multicenter large cohort
    Jacob Sosna
    Department of Radiology, Hadassah Hebrew University Medical Center, POB 12000, Jerusalem, Israel
    Radiology 239:457-63. 2006
    ..To assess retrospectively the incidence, clinical features, and treatment of colonic perforation at computed tomographic (CT) colonography in a large multicenter cohort...
  38. ncbi Incidence of colonic perforation at CT colonography: review of existing data and implications for screening of asymptomatic adults
    Perry J Pickhardt
    Department of Radiology, University of Wisconsin Medical School, E3 311 Clinical Science Center, 600 Highland Ave, Madison, WI 53792 3252, USA
    Radiology 239:313-6. 2006
  39. pmc At what costs will screening with CT colonography be competitive? A cost-effectiveness approach
    Iris Lansdorp-Vogelaar
    Department of Public Health, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
    Int J Cancer 124:1161-8. 2009
    The costs of computed tomographic colonography (CTC) are not yet established for screening use...
  40. doi Revised colorectal screening guidelines: joint effort of the American Cancer Society, U.S. Multisociety Task Force on Colorectal Cancer, and American College of Radiology
    Elizabeth G McFarland
    Radiology 248:717-20. 2008
  41. ncbi Meta-analysis: computed tomographic colonography
    Brian P Mulhall
    Walter Reed Army Medical Center and Uniformed Services University, Washington, DC 20307, USA
    Ann Intern Med 142:635-50. 2005
    ..However, its performance as a test has varied widely across studies, and the reasons for these discrepancies are poorly defined...
  42. ncbi Polyp measurement reliability, accuracy, and discrepancy: optical colonoscopy versus CT colonography with pig colonic specimens
    Seong Ho Park
    Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
    Radiology 244:157-64. 2007
    ....
  43. ncbi Cost-effectiveness of colorectal cancer screening with computed tomography colonography: the impact of not reporting diminutive lesions
    Perry J Pickhardt
    Department of Radiology, University of Wisconsin Medical School, Madison, Wisconsin 53792 3252, USA
    Cancer 109:2213-21. 2007
    ..The purpose of the current study was to assess the potential harms, benefits, and cost-effectiveness of CTC screening without the reporting of diminutive lesions compared with other screening strategies...
  44. ncbi Colorectal polyps on portal phase contrast-enhanced CT colonography: lesion attenuation and distinction from tagged feces
    Seung Soo Lee
    Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, 388 1 Poongnap2 Dong, Songpa Gu, Seoul 138 040, Korea
    AJR Am J Roentgenol 189:35-40. 2007
    ..The purpose of our study was to determine the attenuation of colorectal polyps on portal phase contrast-enhanced CT colonography (CTC) and evaluate whether enhanced polyps can be clearly distinguished from tagged feces during CTC review...
  45. ncbi CT colonography: effect of colonic distension on polyp measurement accuracy and agreement-in vitro study
    Stuart Taylor
    Department of Imaging, University College Hospital, 235 Euston Road, London, NW1 2BU, UK
    Acad Radiol 13:850-9. 2006
    ..To investigate the effect of colonic distension on polyp measurement accuracy and reader agreement...
  46. pmc Feasibility study of computed tomography colonography using limited bowel preparation at normal and low-dose levels study
    Jasper Florie
    Department of Radiology, Academic Medical Center, G1 230, P O Box 22660, 1100 DD, Amsterdam, The Netherlands
    Eur Radiol 17:3112-22. 2007
    ..001). CT colonography without cleansing is preferred to colonoscopy and shows sufficient image quality and moderate sensitivity, without impaired diagnostic value at dose-levels as low as 0.7 mSv...
  47. ncbi Laxative-free CT colonography
    Philippe Lefere
    Department of Radiology, Stedelijk Ziekenhuis, Bruggesteenweg 90, Roeselare B 8800, Belgium
    AJR Am J Roentgenol 183:945-8. 2004
  48. ncbi Incidental gynecological findings on computed tomographic colonography: prevalence and outcomes
    Ifeyinwa A Stitt
    Department of Obstetrics and Gynecology, Martin Army Community Hospital, Fort Benning, GA 31905, USA
    Gynecol Oncol 115:138-41. 2009
    b>Computed tomographic colonography (CTC) is an investigational method for detecting colorectal polyps...
  49. ncbi Community-based screening by colonoscopy or computed tomographic colonography in asymptomatic average-risk subjects
    Rosie G Scott
    Department of Diagnostic and Interventional Radiology, Royal Perth Hospital, Western Australia, Australia
    Am J Gastroenterol 99:1145-51. 2004
    ..Our objective was to compare screening CT colonography and colonoscopy in an asymptomatic average-risk population, and to determine whether providing a choice of tests increased participation...
  50. ncbi Extracolonic findings at CT colonography: evaluation of prevalence and cost in a screening population
    Thomas M Gluecker
    Department of Radiology, Mayo Clinic Rochester, Rochester, Minnesota 55905, USA
    Gastroenterology 124:911-6. 2003
    ....
  51. ncbi Manual and automated polyp measurement comparison of CT colonography with optical colonoscopy
    Jun Yong Jeong
    Department of Radiology, Kangwon National University College of Medicine, 192 1 Hyoja 2 Dong, Chuncheon, Kangwon Do 200 701, Korea
    Acad Radiol 15:231-9. 2008
    ....
  52. ncbi Screening CT colonography in an asymptomatic average-risk Asian population: a 2-year experience in a single institution
    Sangbu An
    Department of Radiology, Seoul National University Bundang Hospital, 300 Gumi dong, Bundang gu, Seongnam si, Gyeonggi do 463 707, Korea
    AJR Am J Roentgenol 191:W100-6. 2008
    ..The purpose of our study was to report the results of screening CT colonography (CTC) in an asymptomatic average-risk Asian population...
  53. ncbi Tagging-based, electronically cleansed CT colonography: evaluation of patient comfort and image readability
    Michael E Zalis
    Division of Abdominal Imaging and Interventional Radiology, Department of Radiology, Massachusetts General Hospital, White 270, 55 Fruit Street, Boston, MA 02114, USA
    Radiology 239:149-59. 2006
    ..To prospectively compare the homogeneity, adequacy, and patient acceptance of nonionic iodine-based regimens with those of a barium-based regimen for computed tomographic (CT) colonography with electronic subtraction cleansing...
  54. ncbi Colorectal cancer: role of CT colonography in preoperative evaluation after incomplete colonoscopy
    Emanuele Neri
    Diagnostic and Interventional Radiology, Department of Oncology, Transplants, and Advanced Technologies in Medicine, University of Pisa, Via Roma 67, I 56100 Pisa, Italy
    Radiology 223:615-9. 2002
    ..To evaluate computed tomographic (CT) colonography in patients with clinical suspicion of colorectal cancer and in whom colonoscopy was incomplete...
  55. ncbi Patient acceptance of CT colonography and conventional colonoscopy: prospective comparative study in patients with or suspected of having colorectal disease
    Maria H Svensson
    Department of Diagnostic Radiology, Sahlgrenska University Hospital, Goteborg University, SE 413 45 Goteborg, Sweden
    Radiology 222:337-45. 2002
    ....
  56. ncbi Economic impact of extracolonic findings at computed tomographic colonography
    Michael S Flicker
    Department of Medicine, University of Chicago Hospitals, Chicago, IL 60637, USA
    J Comput Assist Tomogr 32:497-503. 2008
    To determine the prevalence of extracolonic findings at computed tomographic colonography (CTC) and estimate the cost of the workup of newly discovered potentially significant lesions.
  57. ncbi Computed tomographic colonography to screen for colorectal cancer, extracolonic cancer, and aortic aneurysm: model simulation with cost-effectiveness analysis
    Cesare Hassan
    Gastroenterology and Digestive Endoscopy Unit, Nuovo Regina Margherita Hospital, and Department of Radiological Sciences, University Polo Pontino, Rome, Italy
    Arch Intern Med 168:696-705. 2008
    ..The efficacy and cost-effectiveness of this combined abdominal CT screening strategy are unknown...
  58. ncbi Extracolonic abnormalities discovered incidentally at CT colonography in a male population
    Judy Yee
    Department of Radiology, Veterans Affairs Medical Center 114 4150 Clement St, San Francisco, CA 94121, USA
    Radiology 236:519-26. 2005
    ....
  59. ncbi Noncathartic CT colonography with stool tagging: performance with and without electronic stool subtraction
    C Daniel Johnson
    Department of Radiology, Mayo Clinic, 13400 E Shea Blve, Scottsdale, AZ 85259, USA
    AJR Am J Roentgenol 190:361-6. 2008
    ....
  60. ncbi Contrast-enhanced CT colonography in recurrent colorectal carcinoma: feasibility of simultaneous evaluation for metastatic disease, local recurrence, and metachronous neoplasia in colorectal carcinoma
    J G Fletcher
    Department of Radiology, Mayo Clinic, East 2B, 200 First St, S W, Rochester, MN 55905, USA
    AJR Am J Roentgenol 178:283-90. 2002
    ....
  61. ncbi Computed tomographic colonography in the diagnosis of colorectal cancer
    M Sabanli
    Department of Surgery, Christchurch Hospital, Christchurch, New Zealand
    Br J Surg 97:1291-4. 2010
    This study aimed to determine the sensitivity of computed tomographic colonography (CTC) in diagnosing colorectal cancer and to explore the reasons why these cancers are missed on CTC.
  62. ncbi CT colonography: false-negative interpretations
    Taral Doshi
    Department of Radiology, University of Chicago, Chicago, IL 60637, USA
    Radiology 244:165-73. 2007
    ..To retrospectively evaluate if false-negative interpretations at computed tomographic (CT) colonography are due to observer error...
  63. pmc Polyp size and advanced histology in patients undergoing colonoscopy screening: implications for CT colonography
    David Lieberman
    Division of Gastroenterology and Hepatology, Oregon Health and Science University, Portland, Oregon 97239, USA
    Gastroenterology 135:1100-5. 2008
    ..The primary aim of this study was to determine rates of advanced histology in patients undergoing colorectal cancer screening whose largest polyp is 9 mm or less...
  64. pmc Using CT colonography as a triage technique after a positive faecal occult blood test in colorectal cancer screening
    M H Liedenbaum
    Department of Radiology, Academic Medical Centre, Amsterdam, The Netherlands
    Gut 58:1242-9. 2009
    ..The purpose of this study was to evaluate the effectiveness of CT colonography (CTC) as a triage technique in faecal occult blood test (FOBT)-positive screening participants...
  65. ncbi Ileocecal valve imaging on computed tomographic colonography
    D Regge
    Radiology Department, Institute for Cancer Research and Treatment, Strada Provinciale 142, Km 3 95, I 10060 Candiolo, Italy
    Abdom Imaging 30:20-5. 2005
    ..The aim of our study was to describe the visualization, normal anatomy, and variations of the ileocecal valve with computed tomographic (CT) colonography to provide information about its optimal imaging...
  66. ncbi Feature-guided analysis for reduction of false positives in CAD of polyps for computed tomographic colonography
    Janne Nappi
    Department of Radiology, The University of Chicago, MC 2026, Chicago, Illinois 60637, USA
    Med Phys 30:1592-601. 2003
    ..The results indicate that feature-guided analysis is useful for achieving high sensitivity and a low FP rate in our CAD scheme...
  67. pmc Variation of agreement in polyp size measurement between computed tomographic colonography and pathology assessment: clinical implications
    Samir Gupta
    Division of Digestive and Liver Diseases, University of Texas Southwestern Medical Center at Dallas, Dallas, Texas 75390 8887, USA
    Clin Gastroenterol Hepatol 6:220-7. 2008
    ..We hypothesized that size measurement by CT colonography varies substantially compared with measurement by other methods...
  68. ncbi Assessing attitudes toward laxative preparation in colorectal cancer screening and effects on future testing: potential receptivity to computed tomographic colonography
    Timothy J Beebe
    Department of Health Sciences Research, College of Medicine, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA
    Mayo Clin Proc 82:666-71. 2007
    ..The overall response rate was 49%. Analysis focused on the 759 respondents who were 50 years or older...
  69. ncbi Patient acceptance for CT colonography: what is the real issue?
    M Thomeer
    Department of Radiology, University Hospitals, Herestraat 49, 3000 Leuven, Belgium
    Eur Radiol 12:1410-5. 2002
    ..Since the preparation plays a major decisive factor in the patient acceptance of virtual CT colonography, more attention should be given to fecal tagging...
  70. ncbi CT colonography and colonoscopy: assessment of patient preference in a 5-week follow-up study
    Rogier E van Gelder
    Departments of Radiology, Social Medicine, and Gastroenterology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 233:328-37. 2004
    ..To prospectively evaluate short- and midterm patient preference of computed tomographic (CT) colonography relative to colonoscopy in patients at increased risk for colorectal cancer and to elucidate determinants of preference...
  71. ncbi Prevalence and impact of extracolonic findings in patients undergoing CT colonography
    Roshini C Rajapaksa
    VA New York Harbor Healthcare System, New York University Medical Center Tisch Hospital, and New York University School of Medicine, New York 10010, USA
    J Clin Gastroenterol 38:767-71. 2004
    ..The aims of this study were to prospectively determine the prevalence of extracolonic findings in patients undergoing CT colonography, as well as to determine the clinical significance and consequences of these findings...
  72. pmc CT colonography: optimisation, diagnostic performance and patient acceptability of reduced-laxative regimens using barium-based faecal tagging
    Stuart A Taylor
    Department of Specialist Radiology, University College Hospital, Euston Road, London, UK
    Eur Radiol 18:32-42. 2008
    ..Reduced preparation was tolerated better than full endoscopic preparation by 61%. Reduced-laxative CTC with three doses of 20 ml 40% barium sulphate is as effective as more complex regimens, retaining adequate diagnostic accuracy...
  73. ncbi CT colonography without catharsis: the ultimate study or useful additional option?
    Perry J Pickhardt
    Gastroenterology 128:521-2; author reply 522-3. 2005
  74. ncbi CT colonography: digital subtraction bowel cleansing with mucosal reconstruction initial observations
    Michael E Zalis
    Department of Radiology, Division of Abdominal Imaging and Intervention, Massachusetts General Hospital, 55 Fruit St, White 270, Boston, MA 02114, USA
    Radiology 226:911-7. 2003
    ..Their performance for detection of lesions larger than 1 cm was similar to that with conventional CT colonography...
  75. ncbi Optimizing bowel preparation for multidetector row CT colonography: effect of Citramag and Picolax
    S A Taylor
    Department of Intestinal Imaging, St Mark s Hospital, Northwick Park, London, UK
    Clin Radiol 58:723-32. 2003
    ..To compare the adequacy and acceptability of Picolax and Citramag bowel cleansing agents for CT colonography...
  76. ncbi Image quality and patient acceptance of four regimens with different amounts of mild laxatives for CT colonography
    Sebastiaan Jensch
    Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1100 DD, Amsterdam, The Netherlands
    AJR Am J Roentgenol 191:158-67. 2008
    ..The purpose of our study was to prospectively evaluate image quality and patient acceptance of CT colonography (CTC) with fecal tagging using different levels of catharsis...
  77. ncbi Occult colorectal polyps on CT colonography: implications for surveillance
    Robert L MacCarty
    Mayo Clinic, Mayo Medical School, Mary Clinic E 2, 200 First St SW, Rochester, MN 55905, USA
    AJR Am J Roentgenol 186:1380-3. 2006
    ..Differences in the prevalence of occult polyps in various populations might help explain the discordant reported sensitivities for polyp detection in published reports of CTC...
  78. ncbi Protrusion method for automated estimation of polyp size on CT colonography
    C Van Wijk
    Department of Imaging Science and Technology, Delft University of Technology, Lorentzweg 1, Delft, Zuid Holland, 2628 CJ, The Netherlands
    AJR Am J Roentgenol 190:1279-85. 2008
    ..The purpose of this study was to assess the accuracy and measurement variability of automated lesion measurement on CT colonography in comparison with manual 2D and 3D techniques under varying scanning conditions...
  79. ncbi Computed tomographic colonography compared with colonoscopy in patients at increased risk for colorectal cancer
    Rogier E van Gelder
    Department of Radiology, Academic Medical Center of the University of Amsterdam, Amsterdam, The Netherlands
    Gastroenterology 127:41-8. 2004
    ..We prospectively investigated the ability of CT colonography to identify individuals with large (>or=10 mm) colorectal polyps in consecutive patients at increased risk for colorectal cancer...
  80. ncbi CT colonography using 360-degree virtual dissection: a feasibility study
    Kristina T Johnson
    Department of Radiology, Mayo Clinic Rochester, 200 First Street SW, Rochester, MN 55905, USA
    AJR Am J Roentgenol 186:90-5. 2006
    ....
  81. ncbi Advice for optimizing colonic distention and minimizing risk of perforation during CT colonography
    Abraham H Dachman
    Department of Radiology, MC 2026, University of Chicago, 5841 S Maryland Ave, Chicago, IL 60637, USA
    Radiology 239:317-21. 2006
  82. ncbi CT colonography after fecal tagging with a reduced cathartic cleansing and a reduced volume of barium
    Philippe Lefere
    Department of Radiology, Stedelijk Ziekenhuis, Bruggesteenweg 90, Roeselare B 8800, Belgium
    AJR Am J Roentgenol 184:1836-42. 2005
    ..The objective of our study was to assess the efficacy of fecal tagging with a small volume of barium in combination with a reduced cathartic cleansing before CT colonography...
  83. ncbi CT colonography features of sigmoid diverticular disease
    Marc J Gollub
    Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10021, USA
    Clin Imaging 29:200-6. 2005
    ..The objective of this study is to assess the sigmoid distensibility during CT colonography (CTC) in patients with diverticular disease...
  84. ncbi Linear polyp measurement at CT colonography: in vitro and in vivo comparison of two-dimensional and three-dimensional displays
    Perry J Pickhardt
    Department of Radiology, University of Wisconsin Medical School, E3 311 Clinical Science Center, 600 Highland Ave, Madison, WI 53792 3252, USA
    Radiology 236:872-8. 2005
    ....
  85. ncbi Colonoscopy: virtual and optical--another look, another view
    Joseph T Ferrucci
    Radiology 235:13-6. 2005
  86. ncbi Colorectal polyps: detection with low-dose multi-detector row helical CT colonography versus two sequential colonoscopies
    Riccardo Iannaccone
    Department of Radiological Sciences, University of Rome La Sapienza, Rome, Italy
    Radiology 237:927-37. 2005
    ..To prospectively evaluate the diagnostic accuracy of low-radiation-dose computed tomographic (CT) colonography for detection of colorectal polyps by using two sequential colonoscopies, with the second colonoscopy as the reference standard...
  87. pmc Computed tomographic virtual colonoscopy computer-aided polyp detection in a screening population
    Ronald M Summers
    Diagnostic Radiology Department, Warren Grant Magnuson Clinical Center, National Institutes of Health, Bethesda, Maryland 20892 1182, USA
    Gastroenterology 129:1832-44. 2005
    ..Our objective was to determine whether a computer program is as sensitive as optical colonoscopy for the detection of adenomatous colonic polyps on CT virtual colonoscopy...
  88. ncbi A comparison of primary two- and three-dimensional methods to review CT colonography
    Rogier E van Gelder
    Department of Radiology, Academic Medical Center of the University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
    Eur Radiol 17:1181-92. 2007
    ..45), number of false positives: 33.3 and 15.6, and perceptive errors : 4 and 6 (p = 0.53). No significant differences were found in the detection of large and medium-sized polyps between primary 3D and 2D review...
  89. ncbi Differential diagnosis of polypoid lesions seen at CT colonography (virtual colonoscopy)
    Perry J Pickhardt
    Department of Radiology, University of Wisconsin Medical School, E3 311 Clinical Science Center, 600 Highland Ave, Madison, WI 53792, USA
    Radiographics 24:1535-56; discussion 1557-9. 2004
    ..A variety of useful techniques and observations can be used to increase the specificity of CT colonography for distinguishing false polyps from true polyps...
  90. ncbi Computerized tomographic colonography: performance evaluation in a retrospective multicenter setting
    C Daniel Johnson
    Department of Radiology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastroenterology 125:688-95. 2003
    ..The aim of this study was to assess the accuracy of computerized tomographic colonography for detecting clinically important colorectal neoplasia (polyps >or=10 mm in diameter) in a multi-institutional study...
  91. ncbi Contrast-enhanced computed tomographic colonography in the follow-up of colorectal cancer patients: a feasibility study
    Andrea Laghi
    Department of Radiology, University of Rome La Sapienza, Policlinico Umberto I, Rome, Italy
    Eur Radiol 13:883-9. 2003
    ..Contrast-enhanced CT colonography is a feasible alternative to both conventional colonoscopy and liver ultrasonography in the follow-up of patients operated on for colorectal cancer...
  92. ncbi Screening CT colonography: how I do it
    Perry J Pickhardt
    Department of Radiology, University of Wisconsin Medical School, E3 311 Clinical Science Center, 600 Highland Ave, Madison, WI 53792 3252, USA
    AJR Am J Roentgenol 189:290-8. 2007
    ..The purpose of this article is to detail an approach to CT colonographic screening that has evolved at one institution...
  93. ncbi Characterization of lesions missed on interpretation of CT colonography using a 2D search method
    Thomas M Gluecker
    Department of Radiology, Mayo Clinic Rochester, 200 First St SW, Rochester, MN 55905, USA
    AJR Am J Roentgenol 182:881-9. 2004
    ..We examined potential factors that may cause false-negative results on CT colonography examinations...
  94. ncbi Acceptance by patients of multidetector CT colonography compared with barium enema examinations, flexible sigmoidoscopy, and colonoscopy
    Stuart A Taylor
    Department of Intestinal Imaging, Intestinal Imaging Centre, Level 4V, St Mark s Hospital, Watford Rd, Northwick Park, London HA1 3UJ, United Kingdom
    AJR Am J Roentgenol 181:913-21. 2003
    ..Questionnaires were also completed by 140 patients undergoing double-contrast barium enema examinations. Responses were compared using Wilcoxon's matched pairs test and the Mann-Whitney test...
  95. ncbi CT colonography: effect of experience and training on reader performance
    Stuart A Taylor
    Department of Intestinal Imaging, St Mark s Hospital, Watford Road, Northwick Park, London HA1 3UJ, UK
    Eur Radiol 14:1025-33. 2004
    ..There is considerable variation in the ability to report CT colonography. Prior experience in gastrointestinal radiology is a distinct advantage. Competence cannot be assumed even after directed training via a database of 50 cases...
  96. ncbi Quality and consistency in CT colonography and research reporting
    Abraham H Dachman
    Radiology 230:319-23. 2004
  97. ncbi CT attenuation of colorectal polypoid lesions: evaluation of contrast enhancement in CT colonography
    Aytekin Oto
    Department of Radiology, Hacettepe University School of Medicine, Sihhiye, 06100 Ankara, Turkey
    Eur Radiol 13:1657-63. 2003
    ....
  98. ncbi Linear polyp measurement at CT colonography: 3D endoluminal measurement with optimized surface-rendering threshold value and automated measurement
    Seong Ho Park
    Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, 388 1 Poongnap dong, Songpa Gu, Seoul 138 040, Korea
    Radiology 246:157-67. 2008
    ....
  99. ncbi Detection of colorectal lesions: lower-dose multi-detector row helical CT colonography compared with conventional colonoscopy
    Riccardo Iannaccone
    Department of Radiological Sciences, University of Rome La Sapienza, Policlinico Umberto I, Viale Regina Elena 324, Rome, Italy 00161
    Radiology 229:775-81. 2003
    ..To compare the performance of lower-dose multi-detector row helical computed tomographic (CT) colonography with that of conventional colonoscopy in the detection of colorectal lesions...
  100. ncbi CT colonography with reduced bowel preparation after incomplete colonoscopy in the elderly
    F Iafrate
    Department of Radiological Sciences, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
    Eur Radiol 18:1385-95. 2008
    ..CTC without cathartic preparation is a technically feasible and safe procedure to complete a colonic study in the elderly, prompting its use in clinical practice...
  101. pmc Diagnostic performance of CT colonography for the detection of colorectal polyps
    Ji Young Yun
    Department of Radiology, Song Do Hospital, Seoul, Korea
    Korean J Radiol 8:484-91. 2007
    ..To investigate the diagnostic value of CT colonography for the detection of colorectal polyps...

Research Grants38

  1. A MicroRNA Approach to Screen for Sporadic Colon Cancer Exfoliately in Human Stoo
    Farid E Ahmed; Fiscal Year: 2010
    ..However, larger well designed clinical studies are needed to corroborate initial results. ..
  2. Interactive Multimedia Intervention to Improve Colonoscopy and Bowel Prep Adhere
    JOHN MATTHEW INADOMI; Fiscal Year: 2012
    ..of the primary strategy (fecal occult blood testing, sigmoidoscopy, colonoscopy, fecal DNA, computed tomographic colonography [virtual colonoscopy]) colonoscopy is required to evaluate positive screening tests and to detect or ..
  3. Robust BCT for Clinical Use
    DAVID KOPPERDAHL; Fiscal Year: 2010
    ..N. Diagnostics'business, and result in an important advance in the preventative care and treatment of osteoporosis. ..
  4. Analyses of Progression to Colon Cancer in a Spectrum of Pathways
    WILLIAM FRANKLIN DOVE; Fiscal Year: 2012
    ..Signatures that can discriminate between tumors that vary in neoplastic potential are particularly important to discern. ..
  5. In Vivo Detection of Flat Colorectal Neoplasms with CT Colonography
    JANNE JOHANNES NAPPI; Fiscal Year: 2010
    ..Studies have indicated that computed tomographic colonography (CTC) has performance comparable to that of OC in the detection of polypoid neoplasms of clinically ..
  6. Computerized Detection of Polyps in CT Colonography
    Hiroyuki Yoshida; Fiscal Year: 2013
    ..Early removal of such neoplasms has been observed to reduce the occurrence of colorectal carcinoma. Computed tomographic colonography (CTC), or virtual colonoscopy, has become an alternative technique for providing mass screening for ..
  7. CT Colonoscopy Screening for CRC:Comparative Effectiveness vs Traditional Models
    G Scott Gazelle; Fiscal Year: 2010
    ..e., those age 50 or older) adheres to current screening guidelines. Computed tomographic colonography (CTC) is a promising technique for colorectal cancer screening...
  8. Variations in Colonoscopy Screening: A Population Based Study
    Lynn F Butterly; Fiscal Year: 2012
    ..To spur innovations, physician and community stakeholders will be engaged in interpreting the findings and developing actions needed to increase its quality and appropriate use. ..
  9. Diagnosis of non-polypoid neoplasia of the colon with CT colonography
    Hiroyuki Yoshida; Fiscal Year: 2010
    ..b>Computed tomographic colonography (CTC), or virtual colonoscopy, is an emerging alternative screening tool for colon cancer in average ..
  10. Comparative Effectiveness of Virtual and Optical Colonoscopy for CRC Surveillance
    David S Weinberg; Fiscal Year: 2013
    ....
  11. NA-MIC virtual colonoscopy
    Hiroyuki Yoshida; Fiscal Year: 2012
    ..Virtual colonoscopy (VC), also known as computed tomographic colonography (CTC), is a promising technique for colon cancer screening...
  12. Computerized Detection of Polyps in CT Colonography
    Hiroyuki Yoshida; Fiscal Year: 2009
    ..b>Computed tomographic colonography (CTC), also known as virtual colonoscopy (VC), is a promising technique for colon cancer screening...
  13. Ultra-Low Radiation Dose Body CT Imaging
    Perry Pickhardt; Fiscal Year: 2013
    ..The successful completion of the project will also provide a methodological paradigm and unique CT data sets needed to clinically evaluate other ultra-low-dose CT imaging reconstruction methods. ..
  14. Dual-energy Electronic-cleansing CT Colonography for Colon Cancer Screening
    Hiroyuki Yoshida; Fiscal Year: 2013
    ..b>Computed tomographic colonography (CTC), or virtual colonoscopy, has become an effective technique for non-invasive colon cancer ..
  15. THREE DIMENSIONAL CT COLONOGRAPHY
    Christopher Beaulieu; Fiscal Year: 2007
    ..abstract_text> ..
  16. Morphological Lesion Detection in CT Colonography
    DAVID KYNOR; Fiscal Year: 2007
    ..We will also work with leading radiologists and a gasteroenterologist to optimize the clinical utility of our work. ..
  17. Morphological Lesion Detection in CT Colonography
    DAVID KYNOR; Fiscal Year: 2003
    ..The tools developed under this program may also assist the clinician in subtyping lesions and will provide a powerful research tool for quantifying lesion growth over time. ..
  18. Regulation of Stellate Cell Contractility
    Don Rockey; Fiscal Year: 2008
    ..Physiologic endpoints will be an important focus. The proposed studies will shed light on the molecular basis of stellate cell contractility and moreover have direct relevance to human liver disease. ..
  19. PROSPECTIVE COMPARISON OF COLONIC IMAGING TEST
    Don Rockey; Fiscal Year: 2001
    ..b>Computed tomographic colonography (otherwise known as virtual colonoscopy), has been recently introduced as an alternative colonic ..
  20. PATHOGENESIS OF HEPATIC FIBROSIS AND PORTAL HYPERTENSION
    Don C Rockey; Fiscal Year: 2010
    ..These studies have direct relevance to human liver disease and will lead to new approaches for the treatment of hepatic fibrosis and portal hypertension as well as other forms of fibrosing injury. ..
  21. Nitric Oxide and the Liver
    Don Rockey; Fiscal Year: 2003
    ..The dates of the entire AASLD scientific meeting are November 3rd to November 5th. The participants will be invited speakers and attendees of the annual 2002 AASLD meeting. ..
  22. CORI: Consortium Expansion and Database Enhancement
    David Lieberman; Fiscal Year: 2004
    ....
  23. 3D Massive Training ANN for CAD for Colon Cancer in CT Colonography
    Kenji Suzuki; Fiscal Year: 2010
    ..3D MTANN) for a computer-aided diagnostic (CAD) scheme for detection of colorectal polyps in computed tomographic colonography (CTC)...
  24. Screening for colortectal cancer in an Asian Community Center
    David Lieberman; Fiscal Year: 2008
    ..This is a new paradigm for screening, which takes advantage of the trust and cultural awareness that exists at the community center and does not rely on the primary care provider. [unreadable] [unreadable] [unreadable] [unreadable]..
  25. High-Performance Pattern Analysis for CT Colonography
    Peter Santago; Fiscal Year: 2008
    unreadable] DESCRIPTION (provided by applicant): Computed tomographic colonography (CTC) is a rapidly developing screening method that could significantly improve colorectal cancer prevention...
  26. CTC of the Unprepped Colon: Optimization and Validation
    C Johnson; Fiscal Year: 2006
    ..Data generated should provide for a balanced appraisal of the value and practicality of this revolutionary and potentially powerful unique screening tool. ..
  27. Colon Cancer Screening Augmented by Image Processing
    Michael Zalis; Fiscal Year: 2006
    ..The proposed research will serve as basis for the design of a larger, screening-cohort evaluation of CTC using these image-processing techniques. ..
  28. Cathartic-Free Dual-Energy CT Colonography
    Jeff Fidler; Fiscal Year: 2006
    ..The investigators have world-class expertise and resources in CT colonography, dual energy algorithms, and CT system calibrations. [unreadable] [unreadable]..
  29. COMPUTERIZED DETECTION OF PULMONARY NODULES
    Hiroyuki Yoshida; Fiscal Year: 2002
    ..Such a high-performance CAD scheme should advance the early detection of pulmonary nodules, and therefore has the potential to improve the prognosis for patients. ..
  30. Change Detection in Serial MRIs of Patients with Brain Gliomas
    Bradley Erickson; Fiscal Year: 2008
    ..It is our hope that in the future, a measurement method superior to or as an adjunct to human observation will become available, though this study will not attempt to go that far. [unreadable] [unreadable] [unreadable]..
  31. AUTOMATIC CORRECTION OF MOTION ARTIFACTS IN MR IMAGES
    Armando Manduca; Fiscal Year: 2007
    ..They represent perhaps the most flexible and universally applicable techniques for the correction of motion (and other) artifacts in MR imaging. ..
  32. Cancer Risks Attributable To Radiation from Pediatric CT
    David Brenner; Fiscal Year: 2006
    ..The target audiences will be radiologists, pediatricians, family physicians, and the CT industry. We will use telephone interviews supplemented with survey questions, to aid in web content decisions. ..
  33. Planning Grant for SOD III Multicenter Trial
    Peter Cotton; Fiscal Year: 2004
    ..This trial will answer several of the important questions raised by the expert panel at the NIH State of the Science of ERCP Conference, held in January. ..
  34. Modeling Clinical and Functional Depression Outcomes
    Carolyn Rutter; Fiscal Year: 2003
    ..A key component of univariate modeling is Multivariate models will build on these univariate models. Population-average estimates will be calculated using Monte-Carlo integration. ..
  35. High Stability Accelerator for Sub-Cellular Microbeam
    David Brenner; Fiscal Year: 2003
    ..We have considerably more demand for microbeam time than we can cope with, primarily because of limited physicist manpower. ..
  36. RADIOLOGICAL RESEARCH ACCELERATOR FACILITY (RARAF)
    David Brenner; Fiscal Year: 2002
    ..abstract_text> ..
  37. QUANTITATIVE SPECT RECONSTRUCTION OF THE CHEST
    JEROME LIANG; Fiscal Year: 2001
    ..Diagnosis of CAD, as well as pulmonary embolism and breast cancer will be assessed ..
  38. AUTOMATIC CORRECTION OF MOTION ARTIFACTS IN MR IMAGES
    Armando Manduca; Fiscal Year: 2001
    ..They are applicable to both conventional and fast scan applications, and may be adaptable to many non- motion sources of artifacts as well. ..