Disease at a Glance

Summary
Familial multiple discoid fibromas (FMDF) is an autosomal dominant dermatologic condition characterized by the appearance of multiple skin-colored, firm, flat or dome-shaped papules on the pinnae and the central area of the face in childhood or adolescence. Most lesions show a hair at or just outside the periphery, and many have a telangiectatic surface (summary by Starink et al., 2012).Trichodiscoma, as this lesion was first described by Pinkus et al. (1974), is a small benign fibrovascular tumor of the dermal part of the hair disc. The hair disc is a richly vascularized dermal pad in close association with a hair. It is supplied by a thick myelinated nerve and is considered to be a slow-adapting mechanoreceptor. Trichodiscomas are small, flat or dome-shaped, skin-colored, firm papules with a telangiectatic surface. Many of the lesions show a hair at the periphery or just outside it. Starink et al. (2012) renamed the lesion 'discoid fibroma' as a clarification of the histologic findings.FMDF is similar to, but histologically and genetically distinct from, Birt-Hogg-Dube syndrome (BHD; 135150), which is characterized by fibrofolliculomas as well as renal and pulmonary cysts.
Estimated Number of People with this Disease

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What Information Does GARD Have For This Disease?

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Categories
When do symptoms of this disease begin?
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Symptoms

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Causes

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Last Updated: Nov. 8, 2021