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A Simultaneous Occurrence

Phillip M. Colbert, MD

JAMA. 1976;236(19):2201-2203.

Abstract
A patient had a simultaneous occurrence of an ileal and a rectal carcinoid. The ileal carcinoid, occurring in an area derived from primitive midgut, was argentaffin-positive; the rectal carcinoid, occurring in an area derived from primitive hindgut, was argentaffin-negative. To my knowledge, this is the first reported case of simultaneous ileum and rectal carcinoids; its uniqueness tends to support the concept of heterogeneity of origin of carcinoids in embryologically distinct regions.

(JAMA 236:2201-2203, 1976)

Author Affiliations
From the Division of Gastroenterology, Department of Medicine, Kaiser Permanente Medical Center, Los Angeles.

Footnotes
Reprint requests to Division of Gastroenterology, Department of Medicine, Kaiser Permanente Medical Center, 4867 Sunset Blvd, Los Angeles, CA 90027 (Dr Colbert).

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