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Cowden disease
See also in: External and Internal Eye,Oral Mucosal Lesion
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Cowden disease

See also in: External and Internal Eye,Oral Mucosal Lesion
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Contributors: Vivian Wong MD, PhD, Susan Burgin MD
Other Resources UpToDate PubMed

Synopsis

Cowden disease (CD), or multiple hamartoma and neoplasia syndrome, is a rare autosomal dominant syndrome due to mutation of the PTEN gene. Multiple hamartomatous lesions are associated with a tendency to malignancy of any organ, but particularly of the breast and thyroid.

Typical cutaneous lesions are almost always present and involve the oral mucosa, face, acral areas, palms, and soles. In addition to malignancies of internal organs, benign lesions are frequent, including gastrointestinal (GI) and genitourinary tract polyps and cysts, thyroid adenomas, and hamartomas of the bones, central nervous system (CNS), eyes, and skin.

Most women have severe fibrocystic breast disease, and 20%-36% will develop breast adenocarcinoma. While breast cancer is more likely in females, males have a higher tendency to thyroid cancer. There is also an increased risk of melanoma.

Clinical findings may begin from birth to the fifth decade.

For more information on Cowden syndrome, see OMIM.

Codes

ICD10CM:
Q85.8 – Other phakomatoses, not elsewhere classified

SNOMEDCT:
58037000 – Cowden's syndrome

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Last Reviewed: 09/10/2018
Last Updated: 05/17/2019
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Cowden disease
See also in: External and Internal Eye,Oral Mucosal Lesion
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Cowden disease : Face, High arched palate, Oral mucosa, Palms and soles
Clinical image of Cowden disease
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