“…There are reports in which, as in our case, the clinical onset was as ulcer-necrotic lesions, with bulla formation that clinically resembled pyoderma gangrenosum. These cases include different types of lymphomas: mycosis fungoides (8, 9), primary cutaneous B-cell lymphoma (10) and CD8+ cutaneous T-cell lymphoma (11). In our case, the histological findings could explain that the lesions were misdiagnosed as neutrophilic dermatoses.…”