Nasza Dermatologia Online (Jul 2015)
A confusing cutaneous lymphoma
Abstract
Blastic plasmacytoid dendritic cell neoplasm previously called CD4+CD56+ haematodermic neoplasm or blastic NK cell lymphoma is a rare and clinically aggressive hematologic malignancy, derived from plasmacytoid dendritic cells. It is characterized by a skin tropism and co-expression of CD4 and CD56. We report the case of a 57 year old man who had lesions papulonulaires back and lower limbs associated with multiple lymph nodes. The diagnosis was made by histological examination and immunohistochemistry.
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