Abstract
We report a case of "infectious" neutrophilic eccrine hidradenitis who developed papules on the upper arm and trunk. Histological findings revealed vacuolar degeneration and necrosis of epithelial cells in the eccrine sweat ducts and neutrophils that had migrated through ductal epithelium to the lumen. A microabscess was also seen in the eccrine sweat gland coil. Our patient had received no chemotherapy such as cytarabine. Gram-positive cocci were present in the lesional eccrine duct indicating an infective origin of the disease. Human beta defensin-2, one of epithelial antimicrobial peptides, was present in the lesional epidermis and eccrine duct.
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