title: [A case of primary leiomyosarcoma of the pulmonary artery].
abstract: A 74-year-old woman was admitted to our hospital because of right chest pain. The chest radiograph showed right hilar pulmonary artery dilatation. A mass exhibiting low intensity in T1-weighted images and high intensity in T2-weighted images was disclosed in the right pulmonary artery. Because of its clinical course and the MRI findings, the mass was thought to be tumorous tissue, and so pneumonectomy was performed. Leiomyosarcoma was diagnosed from the histological findings. Primary artery sarcoma is rare and the prognosis is considered to be extremely poor. The patient was successfully treated and had a good clinical outcome.
authors.affiliation: Department of Internal Medicine, Shinshu University School of Medicine.
authors.forename: Y
authors.initials: Y
authors.lastname: Shiba
authors.forename: T
authors.initials: T
authors.lastname: Koizumi
authors.forename: H
authors.initials: H
authors.lastname: Yamamoto
authors.forename: N
authors.initials: N
authors.lastname: Nishizawa
authors.forename: S
authors.initials: S
authors.lastname: Takashi
authors.forename: S
authors.initials: S
authors.lastname: Yamaguchi
authors.forename: T
authors.initials: T
authors.lastname: Hachiya
authors.forename: K
authors.initials: K
authors.lastname: Kubo
authors.forename: T
authors.initials: T
authors.lastname: Honda
authors.forename: J
authors.initials: J
authors.lastname: Amano
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007890:Leiomyosarcoma / Q000175:diagnosis*; D008279:Magnetic Resonance Imaging; D011651:Pulmonary Artery; D011655:Pulmonary Embolism / Q000175:diagnosis; D019043:Vascular Neoplasms / Q000175:diagnosis*