CD30 (Ki‐l)‐positive primary cutaneous T‐cell lymphoma: Report of spontaneous resolution

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Abstract
A 28-year-old man in whom CD50 (Ki-1)-positive cutaneous large cell lymphoma manifested as multiple widespread ulcerated nodules; which developed over a 2-week period, is reported. The lymphoma was composed of large anaplastic cells in large clusters, with scattered eosinophils, neutrophils and small lymphocytes. Extensive staging investigations revealed no extra-cutaneous disease. No treatment was given because, within weeks of presentation, the nodules began to regress spontaneously and the patient remains disease-free 20 months later.