Jaap Stoker

Summary

Affiliation: Academic Medical Center
Country: The Netherlands

Publications

  1. pmc A randomized double-blind placebo-controlled trial to evaluate the value of a single bolus intravenous alfentanil in CT colonography
    Thierry N Boellaard
    Department of Radiology, Academic Medical Center, University of Amsterdam, The Netherlands
    BMC Gastroenterol 11:128. 2011
  2. pmc Protocol for translabial 3D-ultrasonography for diagnosing levator defects (TRUDIL): a multicentre cohort study for estimating the diagnostic accuracy of translabial 3D-ultrasonography of the pelvic floor as compared to MR imaging
    Kim J B Notten
    Department of Obstetrics and Gynecology, Maastricht University Medical Centre, The Netherlands
    BMC Womens Health 11:23. 2011
  3. pmc Optimizing imaging in suspected appendicitis (OPTIMAP-study): a multicenter diagnostic accuracy study of MRI in patients with suspected acute appendicitis. Study Protocol
    Marjolein M N Leeuwenburgh
    Department of Surgery, Academic Medical Center, University of Amsterdam, Meibergdreef 9, Amsterdam, The Netherlands
    BMC Emerg Med 10:19. 2010
  4. ncbi request reprint Endoluminal MR imaging of anorectal diseases
    J Stoker
    Department of Radiology, Academic Medical Center, Amsterdam, The Netherlands
    J Magn Reson Imaging 9:631-4. 1999
  5. doi request reprint Magnetic resonance imaging and the acute abdomen
    J Stoker
    Department of Radiology, Academic Medical Centre, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Br J Surg 95:1193-4. 2008
  6. ncbi request reprint [Colorectal cancer screening: CT colonography]
    Jaap Stoker
    Academisch Medisch Centrum, Afd Radiologie, Amsterdam, The Netherlands
    Ned Tijdschr Geneeskd 153:A604. 2009
  7. doi request reprint Anorectal and pelvic floor anatomy
    Jaap Stoker
    Department of Radiology, Academic Medical Center, University of Amsterdam, The Netherlands
    Best Pract Res Clin Gastroenterol 23:463-75. 2009
  8. doi request reprint Imaging patients with acute abdominal pain
    Jaap Stoker
    Departments of Radiology and Surgery, Academic Medical Center, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
    Radiology 253:31-46. 2009
  9. ncbi request reprint High-resolution endovaginal MR imaging in stress urinary incontinence
    Jaap Stoker
    Department of Radiology, Academic Medical Center, University of Amsterdam, P O Box 22700, 1100 DE Amsterdam, The Netherlands
    Eur Radiol 13:2031-7. 2003
  10. pmc Prospective comparative study of spiral computer tomography and magnetic resonance imaging for detection of hepatocellular carcinoma
    J Stoker
    Department of Radiology, Erasmus Medical Centre Rotterdam, University of Amsterdam, The Netherlands
    Gut 51:105-7. 2002

Detail Information

Publications117 found, 100 shown here

  1. pmc A randomized double-blind placebo-controlled trial to evaluate the value of a single bolus intravenous alfentanil in CT colonography
    Thierry N Boellaard
    Department of Radiology, Academic Medical Center, University of Amsterdam, The Netherlands
    BMC Gastroenterol 11:128. 2011
    ..We hypothesize that a single bolus intravenous alfentanil will give a clinically relevant reduction in maximum pain defined as at least 1.3 point reduction on an 11-point numeric rating scale (NRS)...
  2. pmc Protocol for translabial 3D-ultrasonography for diagnosing levator defects (TRUDIL): a multicentre cohort study for estimating the diagnostic accuracy of translabial 3D-ultrasonography of the pelvic floor as compared to MR imaging
    Kim J B Notten
    Department of Obstetrics and Gynecology, Maastricht University Medical Centre, The Netherlands
    BMC Womens Health 11:23. 2011
    ..In addition, the cost-effectiveness of adding translabial ultrasonography to the diagnostic work-up in patients with POP will be estimated in a decision analytic model...
  3. pmc Optimizing imaging in suspected appendicitis (OPTIMAP-study): a multicenter diagnostic accuracy study of MRI in patients with suspected acute appendicitis. Study Protocol
    Marjolein M N Leeuwenburgh
    Department of Surgery, Academic Medical Center, University of Amsterdam, Meibergdreef 9, Amsterdam, The Netherlands
    BMC Emerg Med 10:19. 2010
    ..The multicenter OPTIMAP study was designed to estimate the diagnostic accuracy of MRI in patients with suspected acute appendicitis in the general population...
  4. ncbi request reprint Endoluminal MR imaging of anorectal diseases
    J Stoker
    Department of Radiology, Academic Medical Center, Amsterdam, The Netherlands
    J Magn Reson Imaging 9:631-4. 1999
    ..Endoluminal MRI is superior to phased-array coil MRI in fecal incontinence, as phased-array coil MRI does not give the detailed spatial resolution required for evaluation of anal sphincter lesions...
  5. doi request reprint Magnetic resonance imaging and the acute abdomen
    J Stoker
    Department of Radiology, Academic Medical Centre, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Br J Surg 95:1193-4. 2008
  6. ncbi request reprint [Colorectal cancer screening: CT colonography]
    Jaap Stoker
    Academisch Medisch Centrum, Afd Radiologie, Amsterdam, The Netherlands
    Ned Tijdschr Geneeskd 153:A604. 2009
    ..Aspects important to screening with CT colonography have not been studied yet, such as participation rate and cost effectiveness. MR colonography for screening has been studied little...
  7. doi request reprint Anorectal and pelvic floor anatomy
    Jaap Stoker
    Department of Radiology, Academic Medical Center, University of Amsterdam, The Netherlands
    Best Pract Res Clin Gastroenterol 23:463-75. 2009
    ..Anorectum and pelvic floor have multiple interconnections by fascia and ligaments as well as multiple indirect connections to the bony pelvis. Other structures as perineal body and a fibro-elastic network add to this support...
  8. doi request reprint Imaging patients with acute abdominal pain
    Jaap Stoker
    Departments of Radiology and Surgery, Academic Medical Center, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
    Radiology 253:31-46. 2009
    ..However, data on the use of MR imaging for this indication are still sparse. Supplemental material: http://radiology.rsna.org/content/253/1/31/suppl/DC1...
  9. ncbi request reprint High-resolution endovaginal MR imaging in stress urinary incontinence
    Jaap Stoker
    Department of Radiology, Academic Medical Center, University of Amsterdam, P O Box 22700, 1100 DE Amsterdam, The Netherlands
    Eur Radiol 13:2031-7. 2003
    ..5 mm (range 0.9-4.1 mm) vs 3.9 mm (range 1.4-7 mm)] ( p<0.01). This study indicates a relationship between stress urine incontinence and the presence of lesions of the urethral support and levator ani and levator ani thinning...
  10. pmc Prospective comparative study of spiral computer tomography and magnetic resonance imaging for detection of hepatocellular carcinoma
    J Stoker
    Department of Radiology, Erasmus Medical Centre Rotterdam, University of Amsterdam, The Netherlands
    Gut 51:105-7. 2002
    ..Hepatocellular carcinoma (HCC) is often detected at a relatively late stage when tumour size prohibits curative surgery. Screening to detect HCC at an early stage is performed for patients at risk...
  11. ncbi request reprint Imaging of the posterior pelvic floor
    Jaap Stoker
    Department of Radiology, Academic Medical Center, University of Amsterdam, P O Box 22700, 1100 DE, Amsterdam, The Netherlands
    Eur Radiol 12:779-88. 2002
    ..Many aspects of constipation and prolapse remain incompletely understood and treatment is partly empirical; however, imaging has a central role in management to place patients into treatment-defined groups...
  12. ncbi request reprint Pelvic floor imaging
    J Stoker
    Department of Radiology, Academic Medical Center, University of Amsterdam, PO Box 22700, 1100 Amsterdam, The Netherlands
    Radiology 218:621-41. 2001
    ..These are described in detail, and their role with regard to the main pathologic conditions of the pelvic floor--urinary and anal incontinence, constipation, and prolapse--are discussed...
  13. ncbi request reprint Magnetic resonance imaging in fecal incontinence
    Jaap Stoker
    Department of Radiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    Semin Ultrasound CT MR 29:409-13. 2008
    ..External coil MRI is a widely available alternative to endoanal MRI and can be used as an alternative in experienced hands...
  14. ncbi request reprint Burden of colonoscopy compared to non-cathartic CT-colonography in a colorectal cancer screening programme: randomised controlled trial
    Thomas R de Wijkerslooth
    Department of Gastroenterology and Hepatology, Academic Medical Center, Amsterdam, The Netherlands
    Gut 61:1552-9. 2012
    ..CT-colonography has been suggested to be less burdensome for primary colorectal cancer (CRC) screening than colonoscopy. To compare the expected and perceived burden of both in a randomised trial...
  15. doi request reprint Reasons for participation and nonparticipation in colorectal cancer screening: a randomized trial of colonoscopy and CT colonography
    Thomas R de Wijkerslooth
    Department of Gastroenterology and Hepatology, Academic Medical Center, Amsterdam, The Netherlands
    Am J Gastroenterol 107:1777-83. 2012
    ..We compared reported reasons for participation and nonparticipation in colorectal cancer (CRC) screening between colonoscopy and computed tomographic (CT) colonography in a randomized controlled trial...
  16. doi request reprint Low-fiber diet in limited bowel preparation for CT colonography: Influence on image quality and patient acceptance
    Marjolein H Liedenbaum
    Department of Radiology, Academic Medical Center Amsterdam, The Netherlands
    AJR Am J Roentgenol 195:W31-7. 2010
    ..The purpose of this study was to determine whether a low-fiber diet is necessary for optimal tagging-only bowel preparation for CT colonography...
  17. pmc CT colonography with limited bowel preparation: prospective assessment of patient experience and preference in comparison to optical colonoscopy with cathartic bowel preparation
    Sebastiaan Jensch
    Department of Radiology, University of Amsterdam, Meibergdreef 9, 1100 DD Amsterdam, The Netherlands
    Eur Radiol 20:146-56. 2010
    ..04). In conclusion, participants' experience and preference were rated in favour of CTC with limited bowel preparation compared with full-preparation colonoscopy...
  18. ncbi request reprint 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...
  19. ncbi request reprint External anal sphincter defects in patients with fecal incontinence: comparison of endoanal MR imaging and endoanal US
    Annette C Dobben
    Department of Radiology, Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 242:463-71. 2007
    ..To prospectively compare in a multicenter study the agreement between endoanal magnetic resonance (MR) imaging and endoanal ultrasonography (US) in depicting external anal sphincter (EAS) defects in patients with fecal incontinence...
  20. ncbi request reprint MR colonography with limited bowel preparation: patient acceptance compared with that of full-preparation colonoscopy
    Jasper Florie
    Department of Radiology, Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 245:150-9. 2007
    ..To prospectively evaluate participants' experience and preference of magnetic resonance (MR) colonography with limited bowel preparation compared with full-preparation colonoscopy in participants at increased risk for colorectal cancer...
  21. pmc Primary uncleansed 2D versus primary electronically cleansed 3D in limited bowel preparation CT-colonography. Is there a difference for novices and experienced readers?
    Ayso H de Vries
    Department of Radiology Academic Medical Centre, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
    Eur Radiol 19:1939-50. 2009
    ..Specificity for both novices and experienced observers was not significantly different. For novices primary electronically cleansed 3D is better for polyp detection than primary uncleansed 2D...
  22. doi request reprint CT colonography with limited bowel preparation: performance characteristics in an increased-risk population
    Sebastiaan Jensch
    Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1100 DD, Amsterdam, The Netherlands
    Radiology 247:122-32. 2008
    ..To prospectively evaluate the sensitivity and specificity of computed tomographic (CT) colonography with limited bowel preparation for the depiction of colonic polyps, by using colonoscopy as the reference standard...
  23. doi request reprint Comparing the diagnostic yields of technologists and radiologists in an invitational colorectal cancer screening program performed with CT colonography
    Margriet C de Haan
    Department of Radiology, Academic Medical Center, University of Amsterdam, PO Box 22700, 1100 DE Amsterdam, The Netherlands
    Radiology 264:771-8. 2012
    ..To compare the diagnostic yields of a radiologist and trained technologists in the detection of advanced neoplasia within a population-based computed tomographic (CT) colonography screening program...
  24. 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...
  25. ncbi request reprint Anal inspection and digital rectal examination compared to anorectal physiology tests and endoanal ultrasonography in evaluating fecal incontinence
    Annette C Dobben
    Department of Radiology, Academic Medical Centre, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
    Int J Colorectal Dis 22:783-90. 2007
    ..We examined if and how findings of anal inspection and rectal examination are associated with anorectal function tests and endoanal ultrasonography...
  26. doi request reprint Dynamic contrast-enhanced MRI in determining disease activity in perianal fistulizing Crohn disease: a pilot study
    Manon L W Ziech
    Department of Radiology, Academic Medical Center, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
    AJR Am J Roentgenol 200:W170-7. 2013
    ..The objective of our study was to perform a semiquantitative analysis of dynamic contrast-enhanced MRI for the evaluation of disease activity and therapeutic response in patients with perianal fistulizing Crohn disease...
  27. doi request reprint US cannot be used to predict the presence or severity of hepatic steatosis in severely obese adolescents
    Anneloes E Bohte
    Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, The Netherlands
    Radiology 262:327-34. 2012
    ....
  28. ncbi request reprint MRI in evaluating atrophy of the external anal sphincter in patients with fecal incontinence
    Maaike P Terra
    Department of Radiology, Academic Medical Center, Meibergdreef 9, Amsterdam, The Netherlands 1105 AZ
    AJR Am J Roentgenol 187:991-9. 2006
    ....
  29. ncbi request reprint Performance of radiographers in the evaluation of CT colonographic images
    Sebastiaan Jensch
    Department of Radiology, Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, Noord Holland, The Netherlands
    AJR Am J Roentgenol 188:W249-55. 2007
    ..The purpose of this study was to compare the accuracy of radiographers with that of radiologists in the interpretation of CT colonographic images...
  30. ncbi request reprint Magnetic resonance colonography with limited bowel preparation: a comparison of three strategies
    Jasper Florie
    Department of Radiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    J Magn Reson Imaging 25:766-74. 2007
    ..To prospectively compare three strategies of magnetic resonance colonography (MRC) with fecal tagging...
  31. ncbi request reprint Selecting an outcome measure for evaluating treatment in fecal incontinence
    Marije Deutekom
    Department of Clinical Epidemiology and Biostatistics, Academic Medical Center, Amsterdam, The Netherlands
    Dis Colon Rectum 48:2294-301. 2005
    ..We studied associations between changes after treatment for a number of outcome measures and compared them to patients' subjective perception of relief...
  32. doi request reprint Does a computer-aided detection algorithm in a second read paradigm enhance the performance of experienced computed tomography colonography readers in a population of increased risk?
    Ayso H de Vries
    Department of Radiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    Eur Radiol 19:941-50. 2009
    ..Thus, although CTC with CAD detected a few more patients than CTC without CAD, it had no statistically significant positive influence on CTC performance...
  33. ncbi request reprint Feasibility of evaluating Crohn's disease activity at 3.0 Tesla
    Karin van Gemert-Horsthuis
    Department of Radiology, Academic Medical Center, Amsterdam, The Netherlands
    J Magn Reson Imaging 24:340-8. 2006
    ..To determine whether abdominal 3.0T MRI can be used for evaluation of Crohn's disease (CD) compared with ileocolonoscopy (CS), and to determine patient preference for MRI as opposed to CS...
  34. doi request reprint Colon distension, perceived burden and side-effects of CT-colonography for screening using hyoscine butylbromide or glucagon hydrochloride as bowel relaxant
    Margriet C de Haan
    Department of Radiology, Academic Medical Centre, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Eur J Radiol 81:e910-6. 2012
    ..Compare colonic distension and perceived burden of CT-colonography between participants receiving hyoscine butylbromide (buscopan) and glucagon hydrochloride as bowel relaxant...
  35. doi request reprint Acute appendicitis on abdominal MR images: training readers to improve diagnostic accuracy
    Marjolein M N Leeuwenburgh
    Department of Radiology, Surgery, University of Amsterdam, Amsterdam, The Netherlands
    Radiology 264:455-63. 2012
    ..To determine if training with direct feedback helps to improve the diagnostic performance of inexperienced readers in the detection of appendicitis on magnetic resonance (MR) images...
  36. pmc A comparison of the accuracy of ultrasound and computed tomography in common diagnoses causing acute abdominal pain
    Adrienne van Randen
    Department of Radiology Suite G1 227, Academic Medical Centre, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
    Eur Radiol 21:1535-45. 2011
    ..Head-to-head comparison of ultrasound and CT accuracy in common diagnoses causing acute abdominal pain...
  37. doi request reprint Single and combined diagnostic value of clinical features and laboratory tests in acute appendicitis
    Wytze Laméris
    Department of Surgery, Academic Medical Center, University of Amsterdam, The Netherlands
    Acad Emerg Med 16:835-42. 2009
    ..The objective was to evaluate the diagnostic accuracy of clinical features and laboratory test results in detecting acute appendicitis...
  38. ncbi request reprint On-demand rather than daily-routine chest radiography prescription may change neither the number nor the impact of chest computed tomography and ultrasound studies in a multidisciplinary intensive care unit
    Anke Kröner
    Department of Intensive Care Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    Anesthesiology 108:40-5. 2008
    ..Elimination of daily-routine chest radiographs (CXRs) may influence chest computed tomography (CT) and ultrasound practice in critically ill patients...
  39. pmc Statistical models for quantifying diagnostic accuracy with multiple lesions per patient
    Aeilko H Zwinderman
    Department of Clinical Epidemiology and Biostatistics, J2 203, Amsterdam Medical Center, University of Amsterdam, PO Box 22700, 1100 DE Amsterdam, The Netherlands
    Biostatistics 9:513-22. 2008
    ..We applied our tools to simulated data and data of a study assessing diagnostic accuracy of virtual colonography with computed tomography in 200 patients suspected of having one or more polyps...
  40. ncbi request reprint 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...
  41. doi request reprint Pelvic floor muscle lesions at endoanal MR imaging in female patients with faecal incontinence
    Maaike P Terra
    Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105, AZ, Amsterdam, The Netherlands
    Eur Radiol 18:1892-901. 2008
    ..Only an association between anal sphincter lesions and manometry was observed...
  42. doi request reprint Mapping of T1-values and Gadolinium-concentrations in MRI as indicator of disease activity in luminal Crohn's disease: a feasibility study
    Karin Horsthuis
    Department of Radiology, Academic Medical Center, Amsterdam, The Netherlands
    J Magn Reson Imaging 29:488-93. 2009
    ..To determine the feasibility of T1-mapping and calculation of Gadolinium-values in luminal Crohn's Disease (CD)...
  43. ncbi request reprint 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...
  44. doi request reprint Inter-observer agreement for abdominal CT in unselected patients with acute abdominal pain
    Adrienne van Randen
    Department of Radiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    Eur Radiol 19:1394-407. 2009
    ..Abdominal CT has good inter-observer agreement in unselected patients with acute abdominal pain at the ED, with excellent agreement for specific urgent diagnoses as diverticulitis and appendicitis...
  45. pmc Polyp measurement based on CT colonography and colonoscopy: variability and systematic differences
    Ayso H de Vries
    Department of Radiology, Academic Medical Centre, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Eur Radiol 20:1404-13. 2010
    ..To assess the variability and systematic differences in polyp measurements on optical colonoscopy and CT colonography...
  46. ncbi request reprint Relationship between external anal sphincter atrophy at endoanal magnetic resonance imaging and clinical, functional, and anatomic characteristics in patients with fecal incontinence
    Maaike P Terra
    Department of Radiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    Dis Colon Rectum 49:668-78. 2006
    ..We studied the relationship between external anal sphincter atrophy on endoanal magnetic resonance imaging and clinical, functional, and anatomic characteristics in patients with fecal incontinence...
  47. pmc Can radiographers be trained to triage CT colonography for extracolonic findings?
    Thierry N Boellaard
    Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
    Eur Radiol 22:2780-9. 2012
    ..Radiographers have been shown to be capable CT colonography observers. We evaluated whether radiographers can be trained to triage screening CT colonography for extracolonic findings...
  48. doi request reprint The negative predictive value of clinical examination with or without anesthesia versus magnetic resonance imaging for parametrial infiltration in cervical cancer stages IB1 to IIA
    Suzanne M Bleker
    Department of Gynecology and Obstetrics, Academic Medical Center, University of Amsterdam, The Netherlands
    Int J Gynecol Cancer 23:193-8. 2013
    ..This study aimed to compare the negative predictive value (NPV) of clinical examination with or without anesthesia and magnetic resonance imaging (MRI) in identifying patients with cervical carcinoma without parametrial infiltration...
  49. pmc CT colonography polyp matching: differences between experienced readers
    Marjolein H Liedenbaum
    Department of Radiology, Academic Medical Center, Meibergdreef 9, 1105, AZ, Amsterdam, Netherlands
    Eur Radiol 19:1723-30. 2009
    ..Experienced CTC readers agree to a considerable extent when matching polyps between CTC and subsequent OC, but non-negligible disagreement exists...
  50. doi request reprint 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...
  51. ncbi request reprint The role of endoluminal imaging in clinical outcome of overlapping anterior anal sphincter repair in patients with fecal incontinence
    Annette C Dobben
    Department of Radiology, Academic Medical Center, G1 228, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    AJR Am J Roentgenol 189:W70-7. 2007
    ..The aim of this study was to investigate whether endoluminal imaging can identify determinants that play a role in the outcome of sphincter repair...
  52. ncbi request reprint Magnetic resonance imaging compared with ileocolonoscopy in evaluating disease severity in Crohn's disease
    Jasper Florie
    Department of Radiology, Academic Medical Center, Amsterdam, The Netherlands
    Clin Gastroenterol Hepatol 3:1221-8. 2005
    ..The purpose of this study was to assess the value of MRI in measuring disease activity in CD patients in comparison with ileocolonoscopy...
  53. doi request reprint A clinical decision rule to establish the diagnosis of acute diverticulitis at the emergency department
    Wytze Laméris
    Department of Surgery, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    Dis Colon Rectum 53:896-904. 2010
    ..The aim of this study was to identify patients in whom the clinical diagnosis of diverticulitis can be made with a high certainty, distinguishing them from patients requiring imaging...
  54. doi request reprint Perianal Crohn disease: evaluation of dynamic contrast-enhanced MR imaging as an indicator of disease activity
    Karin Horsthuis
    Departments of Radiology and Gastroenterology, Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 251:380-7. 2009
    ..To prospectively determine clinical value of dynamic contrast material-enhanced magnetic resonance (MR) imaging in the evaluation of disease activity in perianal Crohn disease (CD)...
  55. doi request reprint Accuracy and interobserver agreement between MR-non-expert radiologists and MR-experts in reading MRI for suspected appendicitis
    Marjolein M N Leeuwenburgh
    Department of Surgery, Academic Medical Center, University of Amsterdam, The Netherlands Department of Radiology, Academic Medical Center, University of Amsterdam, The Netherlands Electronic address
    Eur J Radiol 83:103-10. 2014
    ....
  56. doi request reprint Use of continuously MR tagged imaging for automated motion assessment in the abdomen: a feasibility study
    Andre M J Sprengers
    Department of Radiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    J Magn Reson Imaging 36:492-7. 2012
    ..To investigate the feasibility of measuring motion in the abdomen using a continuously tagged magnetic resonance imaging sequence...
  57. doi request reprint Hepatic lipid composition analysis using 3.0-T MR spectroscopy in a steatotic rat model
    Jochem R van Werven
    Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
    Magn Reson Imaging 30:112-21. 2012
    ..To investigate the feasibility of in vivo assessment of hepatic lipid composition using 3.0-T proton magnetic resonance spectroscopy ((1)H-MRS) in a steatotic rat model and compare it to histopathological and biochemical assessment...
  58. doi request reprint Evaluation of an MRI-based score of disease activity in perianal fistulizing Crohn's disease
    Karin Horsthuis
    Department of Radiology, Academic Medical Center, University of Amsterdam, 1105 AZ, The Netherlands
    Clin Imaging 35:360-5. 2011
    ..In all responders, MRI findings were indicative of persisting active inflammation. In these patients, a relapse rate of 57% was seen...
  59. ncbi request reprint MR colonography with limited bowel preparation compared with optical colonoscopy in patients at increased risk for colorectal cancer
    Jasper Florie
    Department of Radiology, Academic Medical Center, PO Box 22660, 1100 DD Amsterdam, The Netherlands
    Radiology 243:122-31. 2007
    ....
  60. pmc Study protocol: population screening for colorectal cancer by colonoscopy or CT colonography: a randomized controlled trial
    Thomas R de Wijkerslooth
    Department of Gastroenterology and Hepatology, Academic Medical Centre, Amsterdam, The Netherlands
    BMC Gastroenterol 10:47. 2010
    ....
  61. ncbi request reprint Is there a role for magnetic resonance imaging in the evaluation of inguinal lymph node metastases in patients with vulva carcinoma?
    Shandra Bipat
    Department of Radiology, G1 231, Academic Medical Center, Meibergdreef 1105 AZ, University of Amsterdam, The Netherlands
    Gynecol Oncol 103:1001-6. 2006
    ..To study the accuracy of magnetic resonance imaging (MRI) in lymph node detection in patients with vulva carcinoma...
  62. doi request reprint Magnetic resonance imaging of the small bowel with the true FISP sequence: intra- and interobserver agreement of enteroclysis and imaging without contrast material
    Bart M Wiarda
    Department of Radiology, Medical Center Alkmaar, Alkmaar, The Netherlands
    Clin Imaging 33:267-73. 2009
    ....
  63. doi request reprint Evaluation of a standardized CT colonography training program for novice readers
    Marjolein H Liedenbaum
    Department of Radiology and Clinical Epidemiology and Biostatistics, Academic Medical Center Amsterdam, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 258:477-87. 2011
    ..To determine how many computed tomographic (CT) colonography training studies have to be evaluated by novice readers to obtain an adequate level of competence in polyp detection...
  64. doi request reprint Assessment of hepatic steatosis in patients undergoing liver resection: comparison of US, CT, T1-weighted dual-echo MR imaging, and point-resolved 1H MR spectroscopy
    Jochem R van Werven
    Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef Amsterdam, The Netherlands
    Radiology 256:159-68. 2010
    ....
  65. pmc CT colonography with limited bowel preparation for the detection of colorectal neoplasia in an FOBT positive screening population
    Marjolein H Liedenbaum
    Department of Radiology, Academic Medical Center, University of Amsterdam, Netherlands
    Abdom Imaging 35:661-8. 2010
    ..Aim was to evaluate the accuracy of computed tomography colonography (CTC) for detection of colorectal neoplasia in a Fecal Occult Blood Test (FOBT) positive screening population...
  66. doi request reprint Hepatic steatosis in morbidly obese patients undergoing gastric bypass surgery: assessment with open-system 1H-MR spectroscopy
    Jochem R van Werven
    Department of Radiology, Academic Medical Center, Meibergdreef 9, Amsterdam 1105 AZ, The Netherlands
    AJR Am J Roentgenol 196:W736-42. 2011
    ..The purpose of this study was to assess, with histopathologic control, the use of open-system 1-T (1)H MR spectroscopy for the evaluation of hepatic steatosis in morbidly obese patients undergoing gastric bypass surgery...
  67. ncbi request reprint Effect of pulmonary valve regurgitation on right ventricular function in patients with chronic right ventricular pressure overload
    Igor I Tulevski
    Department of Cardiology, Academic Medical Center, Amsterdam, The Netherlands
    Am J Cardiol 92:113-6. 2003
  68. ncbi request reprint [No-invasive determination of liver fat with 1H-MR spectroscopy]
    Jochem R van Werven
    Academisch Medisch Centrum, Afd Radiologie, Amsterdam, The Netherlands
    Ned Tijdschr Geneeskd 155:A2756. 2011
    ..1H-MRS is not difficult to learn, but one has to gain some experience with the data-acquisition to obtain good quality MR spectra...
  69. ncbi request reprint 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...
  70. doi request reprint Reversal of hepatic steatosis by omega-3 fatty acids measured non-invasively by (1) H-magnetic resonance spectroscopy in a rat model
    Hendrik A Marsman
    Department of Surgery, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    J Gastroenterol Hepatol 26:356-63. 2011
    ..The aim of the present study was to investigate whether administration of omega-3 FA is effective in reducing steatosis...
  71. doi request reprint Influence of tagged fecal material on detectability of colorectal polyps at CT: phantom study
    Ayso H de Vries
    Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    AJR Am J Roentgenol 191:1101. 2008
    ..The purpose of this study was to determine the influence of tagged material on the minimal radiation dose needed to detect colorectal polyps at CT...
  72. ncbi request reprint Elimination of daily routine chest radiographs does not change on-demand radiography practice in post-cardiothoracic surgery patients
    Onno Mets
    Department of Intensive Care Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    J Thorac Cardiovasc Surg 134:139-44. 2007
    ..We sought to determine the effect of elimination of daily routine chest radiographs on chest radiographic practice in cardiothoracic surgery patients in the intensive care unit and the post-intensive care unit ward...
  73. ncbi request reprint Polyp miss rate determined by tandem colonoscopy: a systematic review
    Jeroen C van Rijn
    Department of Clinical Epidemiology and Biostatistics, Academic Medical Center University of Amsterdam, Amsterdam, The Netherlands
    Am J Gastroenterol 101:343-50. 2006
    ..The purpose of this systematic review was to obtain summary estimates of the polyp miss rate as determined by tandem colonoscopy...
  74. ncbi request reprint Effective radiation doses in CT colonography: results of an inventory among research institutions
    Sebastiaan Jensch
    Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
    Eur Radiol 16:981-7. 2006
    ..2 mSv. Despite the increasing use of multislice scanners, which are slightly less dose-efficient, the median effective dose remained approximately constant between 1996 and 2004. This is mainly caused by the use of lower mAs settings...
  75. pmc Elimination of daily routine chest radiographs in a mixed medical-surgical intensive care unit
    Marleen E Graat
    Department of Intensive Care Medicine, Academic Medical Center, Mail stop C3 329, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
    Intensive Care Med 33:639-44. 2007
    ..To determine the impact of elimination of daily routine chest radiographs (CXRs) in a mixed medical-surgical intensive care unit (ICU) on utility of on demand CXRs, length of stay (LOS) in ICU, readmission rate, and mortality rate...
  76. ncbi request reprint Colorectal liver metastases: CT, MR imaging, and PET for diagnosis--meta-analysis
    Shandra Bipat
    Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 237:123-31. 2005
    ....
  77. pmc Imaging strategies for detection of urgent conditions in patients with acute abdominal pain: diagnostic accuracy study
    Wytze Laméris
    Department of Surgery, Academic Medical Center, Amsterdam, Netherlands
    BMJ 338:b2431. 2009
    ..To identify an optimal imaging strategy for the accurate detection of urgent conditions in patients with acute abdominal pain...
  78. doi request reprint Graded compression ultrasonography and computed tomography in acute colonic diverticulitis: meta-analysis of test accuracy
    Wytze Laméris
    Department of Surgery, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    Eur Radiol 18:2498-511. 2008
    ..Therefore, both US and CT can be used as initial diagnostic tool until new evidence is brought forward. However, CT is more likely to identify alternative diseases...
  79. ncbi request reprint Ultrasonography, computed tomography and magnetic resonance imaging for diagnosis and determining resectability of pancreatic adenocarcinoma: a meta-analysis
    Shandra Bipat
    Department of Radiology, Academic Medical Center, 1105 AZ Amsterdam, The Netherlands
    J Comput Assist Tomogr 29:438-45. 2005
    ..To compare ultrasonography (US), computed tomography (CT), and magnetic resonance imaging (MRI) in the diagnosis and determination of resectability of pancreatic adenocarcinoma...
  80. ncbi request reprint CT: a new nondestructive method for visualizing and characterizing ancient Roman glass fragments in situ in blocks of soil
    Roel J Jansen
    Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiographics 26:1837-44. 2006
    ..In addition, CT was very important for the reconstruction of the layout of the burial chamber, the compilation of a list of grave contents, and the positioning of these contents within the chamber...
  81. ncbi request reprint Anal sphincter defects in patients with fecal incontinence: endoanal versus external phased-array MR imaging
    Maaike P Terra
    Department of Radiology, Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 236:886-95. 2005
    ....
  82. doi request reprint Are peritoneal calcifications in long-term peritoneal dialysis related to aortic calcifications and disturbances in mineral metabolism?
    Anniek Vlijm
    Division of Nephrology, Department of Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    Nephrol Dial Transplant 26:304-8. 2011
    ..Our aim was to investigate whether relationships are present between peritoneal calcifications and aortic calcifications or disturbances in mineral metabolism in long-term PD patients...
  83. doi request reprint Magnetic resonance enterography for suspected inflammatory bowel disease in a pediatric population
    Karin Horsthuis
    Department of Radiology, Academic Medical Center, Amsterdam, The Netherlands
    J Pediatr Gastroenterol Nutr 51:603-9. 2010
    ..The secondary aims were to determine the accuracy of MRE in grading disease activity and determine the interobserver agreement for individual MRE parameters...
  84. ncbi request reprint CT colonography at different radiation dose levels: feasibility of dose reduction
    Rogier E van Gelder
    Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 224:25-33. 2002
    ..To investigate the sensitivity and specificity of polyp detection and the image quality of computed tomographic (CT) colonography at different radiation dose levels and to study effective doses reported in literature on CT colonography...
  85. ncbi request reprint MRI in Crohn's disease
    Karin Horsthuis
    Department of Radiology, Academic Medical Center, Amsterdam, The Netherlands
    J Magn Reson Imaging 22:1-12. 2005
    ..g., stenoses), and extraintestinal manifestations of disease (e.g., abscesses, fistulas) can be accurately assessed...
  86. ncbi request reprint Colonography by computed tomography
    Jasper Florie
    Department of Radiology, Academic Medical Centre, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Eur J Gastroenterol Hepatol 17:809-13. 2005
    ..This article describes possible causes of these remarkable differences as well as advances in computed tomographic colonography...
  87. ncbi request reprint Functional changes after physiotherapy in fecal incontinence
    Annette C Dobben
    Department of Radiology, Academic Medical Center, G1 228, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Int J Colorectal Dis 21:515-21. 2006
    ..Physiotherapy is a common treatment option in patients with fecal incontinence. Although physiotherapy may result in relief of symptoms, to what extent improvement is associated with changes in anorectal function is still unclear...
  88. ncbi request reprint High-resolution spiral computed tomography with multiplanar reformatting, 3D surface- and volume rendering: a non-destructive method to visualize ancient Egyptian mummification techniques
    Roel J Jansen
    Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Comput Med Imaging Graph 26:211-6. 2002
    ..The use of CT is indispensable as a non-destructive method in the reconstruction of mummification techniques...
  89. ncbi request reprint Esophageal cancer: CT, endoscopic US, and FDG PET for assessment of response to neoadjuvant therapy--systematic review
    Marinke Westerterp
    Department of Surgery, Academic Medical Center, University of Amsterdam, Suite G4 130, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 236:841-51. 2005
    ....
  90. ncbi request reprint Scenes from the past: carthaginian pair of tweezers
    Roel J Jansen
    Department of Radiology, Academic Medical Centre, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiographics 25:209-13. 2005
  91. doi request reprint Inflammatory bowel disease diagnosed with US, MR, scintigraphy, and CT: meta-analysis of prospective studies
    Karin Horsthuis
    Departments of Radiology and Nuclear Medicine, Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 247:64-79. 2008
    ....
  92. doi request reprint Reproducibility of 3.0 Tesla magnetic resonance spectroscopy for measuring hepatic fat content
    Jochem R van Werven
    Department of Radiology, Academic Medical Center at the University of Amsterdam, Amsterdam, The Netherlands
    J Magn Reson Imaging 30:444-8. 2009
    ..To investigate reproducibility of proton magnetic resonance spectroscopy ((1)H-MRS) to measure hepatic triglyceride content (HTGC)...
  93. ncbi request reprint Quantification of bone involvement in Gaucher disease: MR imaging bone marrow burden score as an alternative to Dixon quantitative chemical shift MR imaging--initial experience
    Mario Maas
    Department of Radiology, Academic Medical Center, Meibergdreef 9, Suite G1 231, 1105 AZ Amsterdam, The Netherlands
    Radiology 229:554-61. 2003
    ....
  94. ncbi request reprint Computed tomography and magnetic resonance imaging in staging of uterine cervical carcinoma: a systematic review
    Shandra Bipat
    Department of Radiology, G1 230, Academic Medical Center, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
    Gynecol Oncol 91:59-66. 2003
    ..The goal of this article is to systematically review the available evidence on the diagnostic performance of computed tomography (CT) and magnetic resonance imaging (MRI) in staging of cervical carcinoma...
  95. doi request reprint Acute appendicitis: meta-analysis of diagnostic performance of CT and graded compression US related to prevalence of disease
    Adrienne van Randen
    Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, Suite G1 227, 1105 AZ Amsterdam, The Netherlands
    Radiology 249:97-106. 2008
    ....
  96. doi request reprint Magnetic resonance imaging for evaluation of disease activity in Crohn's disease: a systematic review
    Karin Horsthuis
    Department of Radiology, Academic Medical Center, Amsterdam, The Netherlands
    Eur Radiol 19:1450-60. 2009
    ..MRI correctly grades disease activity in a large proportion of patients with frank disease. For patients in remission or with mild disease, MRI correctly stages disease activity in many patients (62%)...
  97. pmc Detection of inflammatory bowel disease: diagnostic performance of cross-sectional imaging modalities
    Karin Horsthuis
    Department of Radiology, Academic Medical Center, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
    Abdom Imaging 33:407-16. 2008
    ....
  98. ncbi request reprint Computed tomographic findings characteristic for encapsulating peritoneal sclerosis: a case-control study
    Anniek Vlijm
    Department of Medicine, University of Amsterdam, Amsterdam, The Netherlands
    Perit Dial Int 29:517-22. 2009
    ..To establish CT findings characteristic for EPS, we compared CT findings between EPS patients and long-term peritoneal dialysis (PD) patients without EPS...
  99. ncbi request reprint Three-dimensional display modes for CT colonography: conventional 3D virtual colonoscopy versus unfolded cube projection
    Frans M Vos
    Department of Radiology, Academic Medical Center Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 228:878-85. 2003
    ..605 for conventional 3D display and kappa = 0.692 for unfolded cube display. Consequently, the latter method enhances the 3D endoluminal display with improved time efficiency and higher surface visibility...
  100. pmc Magnetic resonance (MR) colonography in the detection of colorectal lesions: a systematic review of prospective studies
    Frank M Zijta
    Department of Radiology, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands
    Eur Radiol 20:1031-46. 2010
    ..To determine the diagnostic accuracy of MR-colonography for the detection of colorectal lesions...
  101. ncbi request reprint Multivariate random-effects approach: for meta-analysis of cancer staging studies
    Shandra Bipat
    Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, Amsterdam, The Netherlands
    Acad Radiol 14:974-84. 2007
    ..In this process, staging information is lost and under- and overstaging can not be adequately expressed...