title: Extraskeletal osteogenic sarcoma: a rare entity.
abstract: A 25-year-old female presented with a rapidly increasing painful swelling around right lower thigh and knee for the last 5 months with distant metastasis in the form of lung involvement. X-ray of the part showed only soft tissue swelling without any bony involvement. A diagnosis of extraskeletal osteosarcoma was made which was confirmed by immunohistochemistry.
authors.affiliation: Department of Pathology, JN Medical College, Aligarh Muslim University, Aligarh, UP, India.
authors.forename: V
authors.initials: V
authors.lastname: Maheshwari
authors.forename: A S
authors.initials: AS
authors.lastname: Farhan
authors.forename: K Alam
authors.initials: KA
authors.lastname: Adreena
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007150:Immunohistochemistry; D007717:Knee / Q000000981:diagnostic imaging / Q000473:pathology*; D008175:Lung Neoplasms / Q000556:secondary; D012516:Osteosarcoma / Q000175:diagnosis*; D011859:Radiography; D013848:Thigh / Q000000981:diagnostic imaging / Q000473:pathology*