DOI: 10.1001/jamadermatol.2026.3340 ISSN: 2168-6068

Refractory Phaeohyphomycosis Due to CARD9 Variants

Wenting Xie, Guanzhao Liang, Xiaofang Li

This case report describes coalescent verrucous plaques and nodules with thick dark-brown crusts on a mildly erythematous base and granulomatous inflammation with pigmented septate hyphae in the dermis without sclerotic bodies.

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