Publications by authors named "Joao Manuel Pires Aranha"

Lupus miliaris disseminatus faciei is a rare inflammatory dermatosis of unknown etiology that primarily affects young adults. Clinically, it is characterized by an asymptomatic papular eruption mainly involving the central face, typically on and around the eyelids. Characteristic histopathological features include dermal epithelioid cell granulomas with central necrosis and surrounding lymphocytic infiltrate with multinucleate giant cells.

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We report a case of a 26-year-old Caucasian male presented with 8-month history of asymptomatic erythematous papulonodular lesions symmetrically located on the face, trunk and limbs. Histopathologic examination revealed granulomas with histiocytes arranged in a palisading pattern around the foci of necrobiotic collagen with mucin deposition, and transepidermal and transfollicular elimination of degenerated collagen bundles. These histopathologic findings were compatible with perforating granuloma annulare.

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