title: [CT appearance of small renal angiomyolipoma].
abstract: Twenty-six small renal angiomyolipomas (AML) in 21-patients, detected incidentally by ultrasonography, were evaluated with CT. Conventional CT findings of AML were classified into three types by the degree of the fatty areas in the mass. Type 1 is a mainly fat density mass like a lipoma observed in 7 lesions (26.9%). Type 2 is a fatty mass intermixed with areas of tissue density and found in 15 lesions (57.7%). Type 3 is a mass without fatty portion and observed in 4 lesions (15.4%). These latter lesions were indistinguishable from renal cell carcinoma on CT. It is important to diagnose a small lesion of the kidney as AML correctly for proper treatment.
authors.affiliation: Department of Radiology, Kumamoto University School of Medicine.
authors.forename: Y
authors.initials: Y
authors.lastname: Hatanaka
authors.forename: S
authors.initials: S
authors.lastname: Ueno
authors.forename: S
authors.initials: S
authors.lastname: Sumi
authors.forename: R
authors.initials: R
authors.lastname: Nishimura
authors.forename: H
authors.initials: H
authors.lastname: Bussaka
authors.forename: M
authors.initials: M
authors.lastname: Takahashi
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006391:Hemangioma / Q000000981:diagnostic imaging*; D006801:Humans; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging*; D008067:Lipoma / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D014057:Tomography, X-Ray Computed