Autosomal dominantly inherited generalized basaloid follicular hamartoma syndrome: report of a new disease in a North Carolina family.
BACKGROUND: An 8-year-old girl presented with hundreds of milia, measuring 1 to 2 mm; comedone-like lesions; skin-colored and hyperpigmented papules on the face, scalp, ears, neck, upper trunk, and lower arms along with diffuse scalp hypotrichosis; and pinpoint palm/sole pits. Onset was in early childhood and the disease was historically present in 6 generations. OBJECTIVE: Our objectives were to delineate the clinical and histopathologic features and mode of inheritance as a base for gene studies. METHODS: Eighteen family subjects were studied. Twenty-six skin biopsy specimens were examined. A detailed pedigree was constructed. A complete literature search was done concerning diseases with generalized basaloid follicular hamartomas. RESULTS: The lesions were basaloid follicular hamartomas and other folliculocentric abnormalities. Inheritance was autosomal dominant. Extensive literature search confirmed the finding of a unique genodermatosis. CONCLUSION: A new genodermatosis termed dominantly inherited generalized basaloid follicular hamartoma syndrome was defined by delineating its clinical and histopathologic features and mode of inheritance and by extensive literature review.
Wheeler, CE; Carroll, MA; Groben, PA; Briggaman, RA; Prose, NS; Davis, DA
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