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  • Title: Perifollicular fibroma in Birt-Hogg-Dubé syndrome: an association revisited.
    Author: Shvartsbeyn M, Mason AR, Bosenberg MW, Ko CJ.
    Journal: J Cutan Pathol; 2012 Jul; 39(7):675-9. PubMed ID: 22725638.
    Abstract:
    BACKGROUND: Mutation in the folliculin gene in Birt-Hogg-Dubé (BHD) syndrome leads to a spectrum of benign tumors of the hair follicle, classically including both fibrofolliculoma and trichodiscoma. In addition, lesions clinically indistinguishable from fibrofolliculoma/ trichodiscoma may show histopathologic findings of perifollicular fibroma or angiofibroma. Although some consider perifollicular fibroma to be a variant of angiofibroma, the specific histopathologic findings of perifollicular fibroma are uncommon. METHODS: This is a case series. RESULTS: In 4 patients with multiple facial lesions, recognizing perifollicular fibroma would have been helpful in leading to the diagnosis of BHD syndrome. CONCLUSION: Perifollicular fibroma is on a spectrum with fibrofolliculoma and trichodiscoma; in a patient with multiple lesions, the diagnosis of perifollicular fibroma is suggestive of BHD syndrome.
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