title: An unusual mediastinal mass due to metastasis.
abstract: During childhood the common anterior middle mediastinal masses are either lymph node enlargement or teratomas/dermoids. A case of ossific mediastinal metastasis and pleural metastases from osteosarcoma, presenting three years after the primary disease (late metastasis) is reported for its rarity.
authors.affiliation: Department of Radiology, Safdarjung Hospital, New Delhi.
authors.forename: S B
authors.initials: SB
authors.lastname: Grover
authors.forename: A
authors.initials: A
authors.lastname: Pathak
authors.forename: A
authors.initials: A
authors.lastname: Agarwal
authors.forename: N C
authors.initials: NC
authors.lastname: Saxena
mesh_terms: D001859:Bone Neoplasms; D002648:Child; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary*; D012516:Osteosarcoma / Q000000981:diagnostic imaging / Q000556:secondary*; D010997:Pleural Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary*; D011859:Radiography; D013977:Tibia