title: Primary leiomyosarcoma arising in the trunk of pulmonary artery: a case report and review of literature.
abstract: An autopsy case of a 46-year-old woman with primary leiomyosarcoma arising in the pulmonary artery is presented. This case is the first description in Japan and the 10th in the world literature as leiomyosarcoma in this part of the body. An electronmicroscopic observation of the postmortem material was useful to conform the histologic diagnosis, in addition to some kinds of staining method of histologic section.
mesh_terms: D005260:Female; D006801:Humans; D007890:Leiomyosarcoma / Q000473:pathology*; D008854:Microscopy, Electron; D008875:Middle Aged; D009336:Necrosis; D011651:Pulmonary Artery / Q000473:pathology*; D014652:Vascular Diseases / Q000473:pathology