title: CT and MR findings of splenic angiosarcoma.
abstract: A surgically confirmed primary splenic angiosarcoma is described. Although angiography showed most of the characteristic findings of the present patient, MR imaging provided a useful information as a supplemental tool. The tumor demonstrated low-signal intensity on both T1- and T2-weighted images, which might differ from hemangioma findings. Subacute hemorrhage within the tumor was revealed by MR imaging, suggesting the way in which the tumor grew during a short period of time. This finding was different from reported angiosarcoma MR findings of siderotic nodules within the tumor. After the administration of Gd-DTPA, MR images clearly demonstrated heterogeneous enhancement within the tumor, which corresponded to the pathologic findings of solid parenchyma with necrotic tissues.
authors.affiliation: Department of Radiology, Shimane Medical University, Izumo, Japan.
authors.forename: I
authors.initials: I
authors.lastname: Imaoka
authors.forename: K
authors.initials: K
authors.lastname: Sugimura
authors.forename: M
authors.initials: M
authors.lastname: Furukawa
authors.forename: S
authors.initials: S
authors.lastname: Kuroda
authors.forename: K
authors.initials: K
authors.lastname: Yasui
mesh_terms: D003287:Contrast Media; D005260:Female; D019786:Gadolinium DTPA; D006394:Hemangiosarcoma / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D013154:Spleen / Q000473:pathology; D013160:Splenic Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed
chemical_list: D003287:Contrast Media; D019786:Gadolinium DTPA