title: Hepatic angiomyolipoma pre-operatively diagnosed by imaging.
abstract: An asymptomatic patient with pre-operatively diagnosed solitary angiomyolipoma is reported. The tumour was a well defined, fat density mass on computerized tomography (CT) and magnetic resonance imaging (MRI), and a hyperechoic nodule with a sharp margin on ultrasonography (US). The lesion was hypervascular on arteriography and CT during hepatic angiography. Chemical shift MRI confirmed the fat component within the lesion. Although a review of the literature shows this tumour to be rare and difficult to differentiate from a malignant lesion pre-operatively, the pre-operative diagnosis of angiomyolipoma is considered feasible when the characteristic findings as described here are present.
authors.affiliation: Department of Internal Medicine, Kobe City General Hospital, Japan.
authors.forename: M
authors.initials: M
authors.lastname: Kudo
authors.forename: T
authors.initials: T
authors.lastname: Okuno
authors.forename: S
authors.initials: S
authors.lastname: Tomita
authors.forename: T
authors.initials: T
authors.lastname: Kajiwara
authors.forename: H
authors.initials: H
authors.lastname: Shirane
authors.forename: N
authors.initials: N
authors.lastname: Usuki
authors.forename: A
authors.initials: A
authors.lastname: Todo
mesh_terms: D018207:Angiomyolipoma / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D005260:Female; D006801:Humans; D008113:Liver Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography