label: Solitary Cutaneous Reticulohistiocytosis
label_lc: solitary cutaneous reticulohistiocytosis
description: A reactive cutaneous proliferation of macrophages associated with local trauma. It is characterized by the presence of giant cells with ground-glass cytoplasm. It presents as a single, asymptomatic, cutaneous or mucosal, firm xanthomatous to dark-red papule or nodule. (WHO 2018)