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Am J Hum Genet. 1996 Dec;59(6):1193-201.

Hereditary desmoid disease due to a frameshift mutation at codon 1924 of the APC gene.

Author information

1
Wessex Clinical Genetics Service, Southampton University Hospital Trust.

Abstract

Desmoid tumors are slowly growing fibrous tumors highly resistant to therapy and often fatal. Here, we report hereditary desmoid disease (HDD), a novel autosomal dominant trait with 100% penetrance affecting a three-generation kindred. Desmoid tumors are usually a complication of familial adenomatous polyposis, a predisposition to the early development of premalignant adenomatous polyps in the colorectum due to chain-terminating mutations of the APC gene. In general, one or more members in approximately 10% of the FAP families manifest desmoid tumors. Affected individuals from the HDD kindred are characterized by multifocal fibromatosis of the paraspinal muscles, breast, occiput, arms, lower ribs, abdominal wall, and mesentery. Osteomas, epidermal cysts, and other congenital features were also observed. We show that HDD segregates with an unusual germ-line chain-terminating mutation at the 3' end of the APC gene (codon 1924) with somatic loss of the wild-type allele leading to tumor development.

PMID:
8940264
PMCID:
PMC1914868
[Indexed for MEDLINE]
Free PMC Article

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