title: Nephron-sparing surgery in multiple bilateral angiomyolipomas.
abstract: We report on a 17-year-old white woman with multiple bilateral renal angiomyolipomas (AMLs) in the absence of tuberous sclerosis. Multiple hyperdense lesions were detected in both kidneys by sonography. A computed tomography (CT) scan confirmed mainly fatty tissue. Sparing as much functional tissue as possible, eight AMLs of the right kidney were resected. The largest removed tumour measured 7 x 4 x 2.4 cm. Renal function was completely preserved. An AML is a benign, generally unilateral renal tumour. Treatment is necessary in cases of flank pain, spontaneous bleeding, obstruction by tumour growth and tumours exceeding 4 cm in diameter. Patients who present are often symptomatic due to pain, retroperitoneal bleeding or haematuria. An AML occurs either sporadically or in association with tuberous sclerosis. Bilateral or unilateral multiple AMLs are rare.
authors.affiliation: Department of Urology, Julius Maximilians University Würzburg, Josef Schneider Str. 2, 97080 Würzburg, Germany.
authors.forename: Tobias
authors.initials: T
authors.lastname: Heinke
authors.forename: Roland
authors.initials: R
authors.lastname: Bonfig
authors.forename: Hubertus
authors.initials: H
authors.lastname: Riedmiller
mesh_terms: D000293:Adolescent; D018207:Angiomyolipoma / Q000000981:diagnostic imaging / Q000601:surgery*; D005260:Female; D006801:Humans; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging / Q000601:surgery*; D009399:Nephrons / Q000000981:diagnostic imaging / Q000601:surgery*; D014057:Tomography, X-Ray Computed; D014567:Urography