Eosinophil-Rich Acute Febrile Neutrophilic Dermatosis in a Patient With Enteropathy-Associated T-cell Lymphoma, Type 1

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Abstract

The presence of eosinophils within the neutrophilic infiltrates of acute febrile neutrophilic dermatosis (Sweet syndrome) is documented in the literature. Here, the authors describe a case of eosinophil-rich acute febrile neutrophilic dermatosis in the setting of new onset enteropathy-associated T-cell lymphoma (EATL), type 1. Histopathologic evaluation of the skin biopsies demonstrated a mixed superficial perivascular and inflammatory infiltrate composed of neutrophils, lymphocytes, and abundant eosinophils. EATL, type 1 is an aggressive although rare primary intestinal lymphoma that may be associated with celiac disease. This lymphoma is associated with a poor prognosis due to treatment resistance or bowel perforation. To the authors' knowledge, Sweet syndrome has not been reported in a patient with EATL.

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