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Gastroenterology. 2001 Aug;121(2):435-9.

Numerous colonic adenomas in an individual with Bloom's syndrome.

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Department of Surgery, Division of Surgical Oncology, University of Cincinnati College of Medicine, Cincinnati, Ohio 45267-0524, USA.


Bloom's syndrome (BS) is a rare recessive disorder caused by germline mutation of the BLM gene. Individuals with BS manifest growth retardation, immunodeficiency, and a predisposition to cancer. In this report, we describe an individual with BS and multiple colonic adenomas reminiscent of familial adenomatous polyposis coli (FAP). Molecular studies revealed APC mutations in 4 of 6 adenomas, including 2 adenomas with the identical APC mutation and microsatellite instability in 1 of 6 adenomas. These results demonstrate similar pathways to colorectal neoplasia in BS as in the normal population and suggest that individuals with BS may be particularly susceptible to colorectal neoplasia.

[Indexed for MEDLINE]

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