Abstract
The new World Health Organization/European Orga-nization for Research and Treatment of Cancer (WHO-EORTC) consensus classification for cutaneous lympho-mas recognizes two main groups of CD56+ lymphomas: extranodal natural killer (NK)/T-cell lymphoma nasal type, and CD56+ haematodermic neoplasm (formerly known as blastic NK cell lymphoma (1). NK/T-cell lymphoma nasal type is the most common lymphoma type among primary lymphomas of the nasal cavity (2).It presents clinically as a nasal mass and may involve the skin secondarily, where it often presents as a mid-facial destructive tumour or as multiple distant erythematous nodules, which can evolve to ulceration (3). There is a strong association with Epstein-Barr virus (4).We report here a patient with an extranodal NK/T-cell lymphoma nasal type with cutaneous involvement, in which the clinical presentation mimicked pyoderma gangrenosum. CASE REPORT
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