Summary: | Pure cutaneous Rosai-Dorfman is distinguished from classic Rosai-Dorfman disease by isolated skin involvement without lymphadenopathy or systemic symptoms. Herein, we report a case of a 30 year-old-man with 16 months history of a slowly enlarging, asymptomatic, purple plaque on her left cheek following cutaneous leishmaniasis successfully treated. The histopathological examination showed dense infiltration of inflammatory cells involving the entire dermis, consisting of large macrophages with emperipolesis, S100 and CD68 positive, lymphocytes and plasma cells. The patient was treated with intralesional triamcinolone with a significant improvement. The present article aimed to emphasise the clinical, histological differential diagnosis and to share the tumoral presentation of cutaneous Rosai-Dorfman disease.
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