PEDIATRICS Vol. 80 No. 2 August 1987, pp. 255-261
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Chronic Nonspecific Inflammatory Bowel Disease of the Cecum and Proximal Colon in Children With Grossly Normal-Appearing Colonic Mucosa: Diagnosis by Colonoscopic Biopsies

Melvin B. Heyman MD, MPH1, Jay A. Perman MD1, Linda D. Ferrell MD1, and M. Michael Thaler MD1

1 From the Departments of Pediatrics and Pathology, University of California, San Francisco

The diagnosis of inflammatory bowel disease rests on radiologic, endoscopic, and histologic creteria. Five patients, 2 to 17 years of age, sought medical attention because of chronic abdominal pain, diarrhea, and heme-positive stools. Rectal biopsies, visual inspection of colonic mucosa through the colonoscope, and contrast radiographs of the large and small intestine yielded nonspecific results. Serial endoscopic biopsies demonstrated a gradient of inflammatory changes diminishing in severity distally from the ileocecal valve and cecum. The disease process was most evident in specimens from the cecum, whereas biopsies distal to the transverse colon had a normal histologic appearance in all five patients. Biopsies from the proximal colon may provide evidence of inflammatory bowel disease not detectable using standard techniques. The combination of chronic abdominal pain, diarrhea, and heme-positive stools associated with inflammatory changes in biopsy specimens obtained from the proximal colon, but normal findings on radiologic, colonoscopic, and rectal biopsy examinations, may represent an early stage in the evolution of chronic nonspecific inflammatory bowel disease, including ulcerative colitis or regional enteritis (Crohn disease).

Key Words: colonoscopy • endoscopy • colon • colitis • inflammatory bowel disease

Submitted on June 30, 1986




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[Abstract] [Full Text] [PDF]