PMC6287091_01
BADAS lesions presented as diffuse papulopustular eruption of the (A) arms, (B) upper back, and (C) thighs in a patient with CF.
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A 47-year-old woman was admitted with diffuse joint pain, fever, night sweats, and a papulopustular eruption involving the arms, upper back, and thighs (Fig 1).
BADAS lesion characterized by neutrophilic dermatosis with mixed dermal infiltrates composed of neutrophils, lymphocytes, histiocytes, and few eosinophils. Overt leukocytoclastic vasculitis is present. (Hematoxylin-eosin stain; original magnifications: A, x2; B, x40, C, x200.)
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Histology revealed Sweet syndrome-like neutrophilic dermatosis in the dermis (Fig 2, A and B). Leukocytoclastic vasculitis was present (Fig 2, C). Dermal infiltrates were composed of mixed neutrophils, lymphocytes, histiocytes, and few eosinophils (Fig 2).