title: [Focal myositis].
abstract: Focal myositis is a rare benign pseudotumor of skeletal muscle, of unknown cause. Clinically it presents as an enlarging mass within a muscle, usually in en extremity. Biopsy shows characteristic histological changes of inflammation, focal degeneration and regeneration. The natural course of this disorder is spontaneous regression. This report describes the case of a 17-year-old boy with focal myositis of the thigh and a review of the relevant literature.
authors: Medicinsk afdeling F og patologisk anatomisk afdeling, Centralsygehuset Hillerød.
authors: M K
authors: MK
authors: Tuxen
authors: A
authors: A
authors: Aru
mesh_terms: D000293:Adolescent; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D009220:Myositis / Q000473:pathology*
vernacular_title: Myositis focalis.