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Cancer Genet Cytogenet. 1991 May;53(1):97-100.

Familial gastric polyposis revisited. Autosomal dominant inheritance confirmed.

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Department of Pathology, Medical Faculty of Porto, Portugal.


We update and review a large pedigree originally described by Santos and Magalhães with familial gastric polyposis and a high incidence of gastric cancer. The present observation of male-to-male transmission of the disease clearly demonstrates the autosomal dominant pattern of inheritance. The histologic review of the polyps present in several members of the family allowed the diagnosis of hyperplastic polyposis. Eight members of the family (two with concomitant gastric pathology) have severe cutaneous psoriasis. This finding may represent the existence of two different disorders segregating in the family or, alternatively, pleiotropic manifestations of the same gene.

[Indexed for MEDLINE]

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