Acute Febrile Neutrophilic Dermatosis (Sweet Syndrome) in Relapsing Polychondritis
A punch biopsy of the small erythematous papules seen in this photo showed spongiotic epidermis surfaced by pustulosis filled with robust neutrophilic infiltrate with perivascular infiltration. These findings are consistent with acute febrile neutrophilic dermatosis.
Photo courtesy of Kinanah Yaseen, MD.
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