multiple hamartoma syndrome


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Cow·den dis·ease

(kow'dĕn), [MIM*158350]
hypertrichosis and gingival fibromatosis from infancy, accompanied by postpubertal fibroadenomatous breast enlargement; papules of the face are characteristic of multiple trichilemmomas.

multiple hamartoma syndrome

Cowden syndrome

A rare autosomal dominant genodermatosis (OMIM:158350) characterised by multiple hamartomas arising from all three germ cell layers, most prominently from the ectoderm and endoderm, in particular hamartomas of skin and the GI tract (from the stomach to the colon) and an increased risk of cancer (e.g., breast, thyroid (papillary or follicular), uterus and osteosarcoma). Women with Cowden syndrome have up to a 50% lifetime risk of developing breast cancer; 75% have benign breast disease (fibroadenomas, fibrocystic changes).
A rare autosomal dominant hamartoma/neoplasia syndrome [MIM 158350] characterised by multiple hamartomas—which arise from all three germ cell layers, most prominently from the ectoderm and endoderm, in particular hamartomas of skin and the GI tract, from the stomach to the colon—and an increased risk of developing cancer, including the breast, thyroid, and uterus. Women with Cowden’s syndrome have up to a 50% lifetime risk of developing breast cancer and up to 75% have benign breast disease—fibroadenomas, fibrocystic changes

multiple hamartoma syndrome

Cowden's disease An AD condition characterized by ↑ susceptibility to ectodermal, mesodermal, endodermal mucocutaneous hamartomas, as well as malignancies–eg, papillary or follicular thyroid CA, breast CA, osteosarcoma. Cf Chromosomal breakage syndromes, Li-Fraumani syndrome.
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