Woringer-Kolopp disease is a localized epidermotropic T cell lymphoma with good prognosis. We describe a 79-year-old man with an erythematous scaly plaque of the foot. Clinical diagnosis of psoriasis, parapsoriasis and fungal infection were proposed. Histopathological and immunohistochemical findings were characteristic of Woringer-Kolopp disease. We observed an immunohistochemical positivity of tumour cells for the anti-CD103 antibody (alphaEB7 integrin) according to the epidermotropism of this localized cutaneous T cell lymphoma.
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