Polypoid colonic lesions undetected by endoscopy

R. E. Miller, G. Lehman

Research output: Contribution to journalArticlepeer-review

66 Scopus citations


Fifty-four endoscopically missed colonic polypoid lesions reveal the limitations of colonic endoscopy. Colonoscopy failed to identify 31 of the lesions, whereas 24 lesions were initially missed by protosigmoidoscopy. One polypoid tumor of the rectosigmoid junction was missed by both. Most undetected lesions ranged from 0.5 to 1.5 cm. Endoscopic and radiologic diagnostic techniques are clearly complementary. Their combined diagnostic accuracy exceeds that of either technique alone. If results of the two methods conflict, one or both should be repeated. With a combined approach, completely missed lesions can be kept at a minimum.

Original languageEnglish (US)
Pages (from-to)295-297
Number of pages3
Issue number2
StatePublished - Jan 1 1978

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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