title: A case of malignant histiocytosis.
abstract: Malignant histiocytosis, presenting initially with swelling and subcutaneous tumor in the lid, was reported in a 14-year-old boy. The diagnosis of malignant histiocytosis was made on the basis of light- and electron-microscopic findings.
mesh_terms: D000293:Adolescent; D005142:Eyelid Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000648:ultrastructure; D005143:Eyelids / Q000000981:diagnostic imaging / Q000601:surgery; D006801:Humans; D008206:Lymphatic Diseases / Q000175:diagnosis / Q000473:pathology* / Q000648:ultrastructure; D008297:Male; D008854:Microscopy, Electron; D014057:Tomography, X-Ray Computed