CT Colonography (Virtual Colonoscopy): Technique, Indications and Performance

Blachar, Arye

doi:10.1159/000108392

Cited by 26 publications

(15 citation statements)

References 94 publications

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“…1 8 Darstellung eines 4 mm großen Polypen im Colon ascendens (rechts oben; Philips MX 8000 workstation). Die Lokalisation des Polypen ist in der 3-D-Rekonstruktion links unten dargestellt [9] Abb. 2 8 Darstellung eines stenosierenden Karzinoms des Colon transversum (Pfeile; Philips MX 8000 workstation) [9] particles" werden diese von Makrophagen in den Lymphknoten phagozytiert und erzielen eine verminderte Signalintensität in benignen bzw.…”

Section: "Ultrasmall Superparamagnetic Iron Oxide Particles"unclassified

Fortschritte in der Diagnostik anorektaler Erkrankungen

Bouchard

Lubienski

et al. 2008

Chirurg

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Diagnostics and therapy of anorectal disorders remain a surgical question. In close cooperation between different departments (radiology and gastroenterology, urology and gynecology, dermatology and psychology), the role of radiologic imaging is of growing importance. Exact knowledge of functional anatomy and precise clinical examination constitute the basis of the according therapeutic strategies. In this context radiology has contributed decisively. Developments in imaging techniques, e.g. dynamic MRI, highly contributed to better understanding of complex functional pelvic floor disorders. The combination of nanotechnology and high-resolution imaging allows precise staging, especially in rectal cancer. Furthermore, advances in virtual colonoscopy could lead to widely acceptable and patient-friendly screening for colorectal malignancies.

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Section: "Ultrasmall Superparamagnetic Iron Oxide Particles"unclassified

Fortschritte in der Diagnostik anorektaler Erkrankungen

Bouchard

Lubienski

et al. 2008

Chirurg

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“…Computed tomography colonography (CTC) or virtual colonoscopy has gained wide acceptance and is now considered as an excellent alternative in case of incomplete or contraindicated conventional optical colonoscopy (OC) [1]. However, suboptimal patient preparation or suboptimal colon distension may reduce the diagnostic accuracy of CTC.…”

Section: Introductionmentioning

confidence: 99%

Colovesical fistula causing an uncommon reason for failure of computed tomography colonography: a case report

et al. 2012

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IntroductionComputed tomography colonography, or virtual colonoscopy, is a good alternative to optical colonoscopy. However, suboptimal patient preparation or colon distension may reduce the diagnostic accuracy of this imaging technique.Case presentationWe report the case of an 83-year-old Caucasian woman who presented with a five-month history of pneumaturia and fecaluria and an acute episode of macrohematuria, leading to a high clinical suspicion of a colovesical fistula. The fistula was confirmed by standard contrast-enhanced computed tomography. Optical colonoscopy was performed to exclude the presence of an underlying colonic neoplasm. Since optical colonoscopy was incomplete, computed tomography colonography was performed, but also failed due to inadequate colon distension. The insufflated air directly accumulated within the bladder via the large fistula.ConclusionsClinicians should consider colovesical fistula as a potential reason for computed tomography colonography failure.

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“…CTC has fewer complications than colonoscopy, including reduced perforation rates [11] and can be better tolerated [12], whilst providing comparable rates of polyp detection [13]. However, most of the available data on the accuracy of CTC are in the setting of an asymptomatic screening population [14,15] rather than an older group with symptomatic colorectal cancer.…”

Section: Introductionmentioning

confidence: 99%