Causes of errors in polyp detection at air-contrast barium enema examination

Radiology
W M ThompsonDon C Rockey

Abstract

To retrospectively determine the cause of errors in air-contrast barium enema (ACBE) examination for detection of polyps 6 mm or larger. The study had institutional review board approval. Informed consent was waived for this HIPAA-compliant study. ABCE findings in 41 subjects with 56 missed polyps were evaluated by two radiologists to determine if the cause of errors was perceptual or technical. A comparison was made between total number of polyps in the proximal and distal colon and those missed at each location (Fisher exact test). The 288 ACBE examinations were assessed on a scale of 0-4 (0, excellent; 4, very poor) for six colonic segments (paired t test). Of 17 polyps 1 cm or larger not detected in 15 subjects, 11 (65%) were missed because of technical errors and six (35%) because of perceptual errors. Eight (72%) technical and four (67%) perceptual errors occurred proximal to the splenic flexure. One 3.5-cm cecal carcinoma was not diagnosed prospectively (perceptual error). Of 39 6-9-mm polyps not detected in 26 subjects, 35 (90%) were missed because of technical errors and four (10%) because of perceptual errors. Eighty percent of technical and 75% of perceptual errors were in the proximal colon. When the proportion of p...Continue Reading

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Citations

Mar 31, 2010·Nature Reviews. Gastroenterology & Hepatology·Don C Rockey
Jun 22, 2007·Radiology·Taral DoshiAbraham H Dachman
Mar 7, 2008·Clinical Gastroenterology and Hepatology : the Official Clinical Practice Journal of the American Gastroenterological Association·Cheri L Canon
Nov 27, 2007·Surgical Oncology·C Fugazzola, S Iosca
Nov 1, 2007·Journal of Clinical Oncology : Official Journal of the American Society of Clinical Oncology·Hardeep SinghLaura A Petersen

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