Access Dermatology

Reticulohistiocytoma is a rare non-Langerhans-cell histiocytosis presenting as a solitary, orange, red or brown, glossy nodule on the head or neck in adults. Typical histological findings include multiple large histiocytes with glassy cytoplasm and multinucleated Touton giant cells. There is no risk of other organ involvement and the tumor can be cured by simple excision. We present the case of a 22-year-old man who developed a solitary reticulohistiocytoma on his nose over a 3-month period...