Abraham H Dachman

Summary

Affiliation: University of Chicago
Country: USA

Publications

  1. ncbi request reprint Comparison of routine and unprepped CT colonography augmented by low fiber diet and stool tagging: a pilot study
    Abraham H Dachman
    Department of Radiology, The University of Chicago, MC 2026, 5841 S Maryland Ave, Chicago, IL 60637, USA
    Abdom Imaging 32:96-104. 2007
  2. ncbi request reprint The challenges of CT colonography reimbursement
    Abraham H Dachman
    The University of Chicago Medical Center, Chicago, Illinois Electronic address
    J Am Coll Radiol 10:937-42. 2013
  3. pmc Effect of computer-aided detection for CT colonography in a multireader, multicase trial
    Abraham H Dachman
    Department of Radiology, MC2026, The University of Chicago, Chicago, IL 60637, USA
    Radiology 256:827-35. 2010
  4. doi request reprint Formative evaluation of standardized training for CT colonographic image interpretation by novice readers
    Abraham H Dachman
    Department of Radiology, University of Chicago, MC 2026, 5841 S Maryland Ave, Chicago, IL 60637, USA
    Radiology 249:167-77. 2008
  5. ncbi request reprint CT colonography: visualization methods, interpretation, and pitfalls
    Abraham H Dachman
    Department of Radiology, MC2026, The University of Chicago, 5841 S Maryland Ave, Chicago, IL 60645, USA
    Radiol Clin North Am 45:347-59. 2007
  6. ncbi request reprint 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
  7. ncbi request reprint Mixture of expert 3D massive-training ANNs for reduction of multiple types of false positives in CAD for detection of polyps in CT colonography
    Kenji Suzuki
    Department of Radiology, The University of Chicago, 5841 South Maryland Avenue, Chicago, Illinois 60637, USA
    Med Phys 35:694-703. 2008
  8. ncbi request reprint Massive-training artificial neural network (MTANN) for reduction of false positives in computer-aided detection of polyps: Suppression of rectal tubes
    Kenji Suzuki
    Department of Radiology, The University of Chicago, 5841 South Maryland Avenue, Chicago, Illinois 60637, USA
    Med Phys 33:3814-24. 2006
  9. pmc CT colonography: advanced computer-aided detection scheme utilizing MTANNs for detection of "missed" polyps in a multicenter clinical trial
    Kenji Suzuki
    Department of Radiology, The University of Chicago, 5841 South Maryland Avenue, Chicago, Illinois 60637, USA
    Med Phys 37:12-21. 2010
  10. ncbi request reprint 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

Detail Information

Publications39

  1. ncbi request reprint Comparison of routine and unprepped CT colonography augmented by low fiber diet and stool tagging: a pilot study
    Abraham H Dachman
    Department of Radiology, The University of Chicago, MC 2026, 5841 S Maryland Ave, Chicago, IL 60637, USA
    Abdom Imaging 32:96-104. 2007
    ..Prior reports of tagging were limited in that the residual stool was neither measured and stratified by size nor did prior reports subjectively evaluate the ease of interpretation by a reader experienced in interpreting CTC examinations...
  2. ncbi request reprint The challenges of CT colonography reimbursement
    Abraham H Dachman
    The University of Chicago Medical Center, Chicago, Illinois Electronic address
    J Am Coll Radiol 10:937-42. 2013
    ..The authors summarize the past accomplishments that led to the current state of reimbursement and outline the remaining challenges and road to full acceptance and reimbursement of screening CT colonography nationally. ..
  3. pmc Effect of computer-aided detection for CT colonography in a multireader, multicase trial
    Abraham H Dachman
    Department of Radiology, MC2026, The University of Chicago, Chicago, IL 60637, USA
    Radiology 256:827-35. 2010
    ..To assess the effect of using computer-aided detection (CAD) in second-read mode on readers' accuracy in interpreting computed tomographic (CT) colonographic images...
  4. doi request reprint Formative evaluation of standardized training for CT colonographic image interpretation by novice readers
    Abraham H Dachman
    Department of Radiology, University of Chicago, MC 2026, 5841 S Maryland Ave, Chicago, IL 60637, USA
    Radiology 249:167-77. 2008
    ..To introduce an educational intervention-specifically, a specialized training course-and perform a formative evaluation of the effect of the intervention on novice reader interpretation of computed tomography (CT) colonographic data...
  5. ncbi request reprint CT colonography: visualization methods, interpretation, and pitfalls
    Abraham H Dachman
    Department of Radiology, MC2026, The University of Chicago, 5841 S Maryland Ave, Chicago, IL 60645, USA
    Radiol Clin North Am 45:347-59. 2007
    ..Comparison of these various views, comparisons of supine and prone positioning, and comparisons of lung and soft tissue windows aid in the recognition of various pitfalls of interpretation...
  6. ncbi request reprint 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
  7. ncbi request reprint Mixture of expert 3D massive-training ANNs for reduction of multiple types of false positives in CAD for detection of polyps in CT colonography
    Kenji Suzuki
    Department of Radiology, The University of Chicago, 5841 South Maryland Avenue, Chicago, Illinois 60637, USA
    Med Phys 35:694-703. 2008
    ..By use of the mixture of expert 3D MTANNs, the specificity of a CAD scheme for detection of polyps in CTC was substantially improved while a high sensitivity was maintained...
  8. ncbi request reprint Massive-training artificial neural network (MTANN) for reduction of false positives in computer-aided detection of polyps: Suppression of rectal tubes
    Kenji Suzuki
    Department of Radiology, The University of Chicago, 5841 South Maryland Avenue, Chicago, Illinois 60637, USA
    Med Phys 33:3814-24. 2006
    ..Overall, the 3D MTANN was able to reduce the FP rate of the CAD scheme from 3.1 to 2.1 FPs per patient (33% reduction), while the original by-polyp sensitivity of 96.4% was maintained...
  9. pmc CT colonography: advanced computer-aided detection scheme utilizing MTANNs for detection of "missed" polyps in a multicenter clinical trial
    Kenji Suzuki
    Department of Radiology, The University of Chicago, 5841 South Maryland Avenue, Chicago, Illinois 60637, USA
    Med Phys 37:12-21. 2010
    ....
  10. ncbi request reprint 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...
  11. pmc The National CT Colonography Trial: assessment of accuracy in participants 65 years of age and older
    C Daniel Johnson
    Department of Radiology, Mayo Clinic, Scottsdale, AZ 85259, USA
    Radiology 263:401-8. 2012
    ....
  12. ncbi request reprint Computer-aided diagnosis for CT colonography
    Hiroyuki Yoshida
    Department of Radiology, University of Chicago, Chicago, IL 60637, USA
    Semin Ultrasound CT MR 25:419-31. 2004
    ..This paper describes the key techniques used for CAD for detection of polyps and masses in CT colonography, the current detection performance, and challenges and the future of CAD...
  13. ncbi request reprint Computerized detection of colorectal masses in CT colonography based on fuzzy merging and wall-thickening analysis
    Janne J N├Ąppi
    Department of Radiology, The University of Chicago, 5841 South Maryland Avenue, MC 2026, Chicago, Illinois 60637, USA
    Med Phys 31:860-72. 2004
    ..The mass detection methods did not affect the result of the polyp detection. The results indicate that the scheme is potentially useful in providing a high-performance CAD scheme for the detection of colorectal neoplasms in CTC...
  14. ncbi request reprint Automated knowledge-guided segmentation of colonic walls for computerized detection of polyps in CT colonography
    Janne Nappi
    Department of Radiology, The University of Chicago, IL 60637, USA
    J Comput Assist Tomogr 26:493-504. 2002
    ..In particular, the technique was designed to minimize the presence of extracolonic components, such as small bowel, in the segmented colon...
  15. ncbi request reprint Virtual colonoscopy: past, present, and future
    Abraham H Dachman
    Dept of Radiology, The University of Chicago, MC 2026, 5841 South Maryland Avenue, Chicago, IL 60637, USA
    Radiol Clin North Am 41:377-93. 2003
    ..Its precise role in screening average-risk patients for colon cancer remains to be defined by ongoing research and clinical trials...
  16. ncbi request reprint 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...
  17. ncbi request reprint The effect of reconstruction algorithm on conspicuity of polyps in CT colonography
    Abraham H Dachman
    Department of Radiology, MC 2026, University of Chicago, 5841 S Maryland Ave, Chicago, IL 60637, USA
    AJR Am J Roentgenol 183:1349-53. 2004
    ....
  18. doi request reprint Comparison of polyp size and volume at CT colonography: implications for follow-up CT colonography
    Emily Bethea
    Department of Radiology, Pritzker School of Medicine, The University of Chicago, MC 2026, Chicago, IL 60637, USA
    AJR Am J Roentgenol 193:1561-7. 2009
    ..The purpose of this study was to evaluate the reliability of polyp measurements at CT colonography and the factors that affect the measurements...
  19. ncbi request reprint 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...
  20. doi request reprint CAD-associated reader error in CT colonography
    Vadim S Koshkin
    Department of Radiology, MC2026, The University of Chicago Medical Center, 5841 S Maryland Avenue, Chicago, IL 60637, USA
    Acad Radiol 19:801-10. 2012
    ..Reader error due to polyp characteristics was evaluated in a multiple-case, multiple-reader trial of computed tomographic colonography with CAD...
  21. doi request reprint Comparison of 2D and 3D views for evaluation of flat lesions in CT colonography
    Antonella Lostumbo
    Department of Radiology, University of Chicago Hospitals, Chicago, IL 60637, USA
    Acad Radiol 17:39-47. 2010
    ..We evaluated these factors to determine whether 2D or 3D is best for flat lesion measurements...
  22. doi request reprint Flat lesions in CT colonography
    Antonella Lostumbo
    Department of Radiology, MC 2026, University of Chicago Hospitals, 5841 S Maryland Ave, Chicago, IL 60637, USA
    Abdom Imaging 35:578-83. 2010
    ..Using fecal tagging and careful attention to the proper methods of searching for flat lesions with both 3D and 2D techniques can maximize the detection of flat lesions at CTC. Computer-aided detection may be helpful...
  23. ncbi request reprint 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...
  24. ncbi request reprint Computed tomography colonography and colon cancer screening
    Abraham H Dachman
    Department of Radiology, MC 2026, University of Chicago, 5841 South Maryland Avenue, Chicago, IL 60637, USA
    Semin Roentgenol 38:54-64. 2003
  25. doi request reprint BMI-based radiation dose reduction in CT colonography
    Michael Ginsburg
    University of Chicago Medical Center, Department of Radiology, 5841 S Maryland Avenue MC 2026, Chicago, IL 60637, USA
    Acad Radiol 20:486-92. 2013
    ..We evaluated the association between BMI and three-dimensional (3D) CTC image quality to assess the potential utility of BMI as the basis for radiation dose reduction in CTC...
  26. ncbi request reprint Computerized detection of colonic polyps at CT colonography on the basis of volumetric features: pilot study
    Hiroyuki Yoshida
    Department of Radiology, University of Chicago, Chicago, IL 60637, USA
    Radiology 222:327-36. 2002
    ..To develop a computer-aided diagnosis (CAD) scheme for automated detection of colonic polyps on the basis of volumetric features and to assess its accuracy on the basis of colonoscopy, the standard...
  27. ncbi request reprint Pancreas size and volume on computed tomography in normal adults
    Abdul Bari Syed
    Department of Health Studies, University of Chicago, Chicago, IL 60637, USA
    Pancreas 41:589-95. 2012
    ..The objective of the study was to evaluate quantitatively normal pancreatic morphology, size, and volume stratified by age and sex...
  28. ncbi request reprint Multidetector row CT of small bowel obstruction
    Adnan Qalbani
    The University of Chicago, MC 2026, 5841 S Maryland Ave, Chicago, IL 60637, USA
    Radiol Clin North Am 45:499-512, viii. 2007
    ..This article illustrates the usefulness of MDCT in the evaluation of small bowel obstruction and related conditions in adults and emphasizes the benefits of advanced CT applications...
  29. ncbi request reprint Pericardial varices secondary to portal hypertension demonstrated by CT
    Anna Meyerson
    Department of Radiology, University of Chicago, Chicago, IL 60637, USA
    J Thorac Imaging 21:69-70. 2006
    ..We report a case of a 38-year-old man who presented for routine liver transplant evaluation. On high-resolution computed tomography (CT), a cluster of varices was seen in the left cardiophrenic angle...
  30. ncbi request reprint Virtual colonoscopy. Potential clinical applications of a new technique
    Abraham H Dachman
    Department of Radiology, MC 2026, University of Chicago, 5841 South Maryland Avenue, Chicago, IL 60637, USA
    Gastroenterol Clin North Am 31:747-57. 2002
    ..Conversely, faster, more accurate interpretation by the radiologist on the same day as a VC should lead to the consideration by the gastroenterologist of same-day colonoscopy for patients with a suspicious, significantly sized polyp...
  31. doi request reprint Quality of CT colonography-related web sites for consumers
    Jordan Sheran
    Department of Radiology, University of Chicago Hospitals, Chicago, Illinois 60637, USA
    J Am Coll Radiol 5:593-7. 2008
    ..Therefore, the authors examined the information on CTC and virtual colonoscopy available for consumers on the Web to assess its quality...
  32. doi request reprint Ectopic pancreas presenting with pancreatitis and a mesenteric mass
    Michael Ginsburg
    Department of Radiology, University of Chicago Medical Center, 5841 S Maryland Avenue, Chicago, IL 60637, USA
    J Pediatr Surg 48:e29-32. 2013
    ..We advocate for ectopic pancreatitis to be considered in a pediatric patient with acute abdominal pain, laboratory findings consistent with pancreatitis, and imaging findings of a mesenteric mass and normal orthotopic pancreas...
  33. ncbi request reprint Computed tomography appearance of the Lapra-Ty and Weck hem-o-lok clips in patients who recently underwent laparoscopic urologic surgery
    Alvaro Lucioni
    Section of Urology, Department of Surgery, University of Chicago, Chicago IL 60637, USA
    J Comput Assist Tomogr 30:784-6. 2006
    ..Urologists and radiologists should be aware of the radiographic appearance of the LTC and WKHL given the ease with which they could be confused with urinary lithiasis when applied near the urinary system...
  34. ncbi request reprint Cecal mobility: a potential pitfall of CT colonography
    Jarvis C Chen
    Department of Radiology, The University of Chicago, 5841 S Maryland Ave, Chicago, IL 60637, USA
    AJR Am J Roentgenol 186:1086-9. 2006
    ..There are reports of false-negative examinations caused by the mobility of bowel mimicking lesion movement. We studied the mobility of the cecum as seen on CT colonography to determine how often this potential pitfall exists...
  35. ncbi request reprint Computed tomographic colonography: clinical value
    Philippe Lefere
    Department of Radiology, Stedelijk Ziekenhuis, Bruggesteenweg 90, 8800, Roeselare, Belgium
    Abdom Imaging 32:541-51. 2007
    ..Finally, optimisation of laxative-free CTC could be invaluable in the development of CTC as a screening tool for CRC...
  36. ncbi request reprint Characterization of normal ileocecal valve density on CT colonography
    Silaja Yitta
    New York University School of Medicine, USA
    J Comput Assist Tomogr 30:58-61. 2006
    ..1%) were categorized as homogeneously low density. The results of this study suggest that ICVs have a varying range of densities, and this feature alone cannot be used to distinguish the ICV from a polyp or neoplastic lesion on CTC...
  37. ncbi request reprint CT colonography reporting and data system: a consensus proposal
    Michael E Zalis
    Radiology 236:3-9. 2005
  38. ncbi request reprint Quality and consistency in CT colonography and research reporting
    Abraham H Dachman
    Radiology 230:319-23. 2004
  39. ncbi request reprint What's new in ACS Surgery: principles and practice
    Abraham H Dachman
    University of Chicago Pritzker School of Medicine, USA
    Bull Am Coll Surg 89:60-1. 2004