Primary CD30+ve cutaneous T-cell lymphoma associated with chronic burn injury in a patient with longstanding psoriasis |
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Authors: | Yeung Chi-Keung Ma Shing-Yan Chan Henry Hin-Lee Trendell-Smith Nigel J Au Wing Y |
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Institution: | Department of Medicine, Queen Mary Hospital, University of Hong Kong, Hong Kong, China. |
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Abstract: | An increased incidence of lymphoma has been reported in psoriatic patients, but most cases are nodal B-cell lymphoma. We report a unique case of CD30-expressing cutaneous T-cell lymphoma arising from underlying psoriatic plaque after intractable caustic burns and cellulitis in the palm of a patient with generalized chronic plaque psoriasis. Molecular studies confirmed a localized clonal T-cell expansion, and the lesion responded dramatically to multiagent chemotherapy. The case highlighted the possible role of chronic systemic and local T-cell activation in the pathogenesis of primary CD30+ve cutaneous T-cell lymphoma, and the importance of histologic assessment in chronic nonhealing skin lesions. |
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