title: Focal myositis and its differential diagnosis. A case report and review of the literature.
abstract: A 55 year-old woman underwent a wide surgical excision because a left thigh mass. The histopathological study showed a focal myositis of the vastus lateralis muscle. The patient remains asymptomatic after four years follow-up. The differential diagnosis with soft tissue sarcomas and other inflammatory myopathies is discussed.
authors.affiliation: Department of Anatomic Pathology, Hospital de Clinicas, School of Medicine, Montevideo, Uruguay, South America.
authors.forename: J
authors.initials: J
authors.lastname: Vercelli-Retta
authors.forename: G
authors.initials: G
authors.lastname: Ardao
authors.forename: M
authors.initials: M
authors.lastname: De Cabrera
mesh_terms: D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008875:Middle Aged; D009132:Muscles / Q000648:ultrastructure*; D009220:Myositis / Q000175:diagnosis / Q000473:pathology*; D012509:Sarcoma / Q000175:diagnosis; D012983:Soft Tissue Neoplasms / Q000175:diagnosis; D013848:Thigh / Q000473:pathology