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CASE REPORT • An. Bras. Dermatol. 97 (01) • 2022 • https://doi.org/10.1016/j.abd.2020.10.012   copy

Basaloid follicular hamartoma associated with follicular mucinosis and inflammation* * Study conducted at the Hospital de Pediatría ‘‘Prof. Dr. Juan P. Garrahan’’, Buenos Aires, Argentina.

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

Basaloid follicular hamartoma is a benign, superficial malformation of hair follicles that can be mistaken both clinical and histopathologically for basal cell carcinoma. Basaloid follicular hamartoma has been linked to a mutation in the PTCH-1 gene, which is part of the same pathway involved in Gorlin-Goltz syndrome. Here we present a 9-year-old patient with an asymptomatic congenital lesion on the forehead, which increased in size over the years. Histopathology showed a basaloid follicular hamartoma associated with follicular mucinosis and inflammation. Gorlin-Goltz syndrome was ruled out by clinical examination.

KEYWORDS
Carcinoma; basal cell; Genes; tumor suppressor; Hamartoma

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