Intest Res.  2011 Aug;9(2):158-161. 10.5217/ir.2011.9.2.158.

Jejunal Adenocarcinoma as Part of Metachronous Triple Primary Cancers of the Digestive Tract in Patient with Hereditary Nonpolyposis Colorectal Cancer

Affiliations
  • 1Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea. hyunchae@plaza.snu.ac.kr

Abstract

Hereditary nonpolyposis colorectal cancer (HNPCC) is an autosomal dominant inherited disease characterized by onset at a relatively early age, an excess of synchronous and metachronous tumors, and a variety of extracolorectal malignancies. Small bowel carcinoma reported, is included in the tumor spectrum of HNPCC, but the frequency of occurrence of this tumor in HNPCC patients is comparatively rare. In Korea, several cases of multiple primary cancers in patients with HNPCC have been reported, however, primary jejunal adenocarcinoma in conjunction with multiple primary cancers in the digestive tract has rarely been reported. Recently, we evaluated a 61-year-old male diagnosed with metachronous triple primary cancers of the jejunum, stomach, and colon. We report this rare case of primary jejunal adenocarcinoma as a part of metachronous triple cancers along with a review of the relevant literature.

Keyword

Jejunal Cancer; Hereditary Nonpolyposis Colorectal Cancer; Multiple Primary Neoplasms; Microsatellite Instability
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