Chemotherapy‐associated eccrine hidradenitis: Neutrophilic eccrine hidradenitis reevaluated: The role of neutrophilic infiltration

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Abstract
Two cases of chemotherapy‐associated eccrine hidradenitis are presented. Previous cases have been labeled “neutrophilic eccrine hidradenitis” (NEH). Both cases reported herein involve neutropenic patients and are notable for the absence of neutrophils on histologic examination. Oncologists need to be aware of this newly described process, and this rash must be added to the differential diagnosis of the neutropenic oncology patient. The role of neutrophils in this disorder is discussed, and a new term, “chemotherapy‐associated eccrine hidradenitis,” is suggested for this unusual process.