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Year : 2012  |  Volume : 28  |  Issue : 4  |  Page : 442-444

Management of a renal calculus larger than 4 cm in a patient with tuberous sclerosis complex-associated angiomyolipoma

Department of Urology, Toyama City Hospital, Toyama, Japan

Correspondence Address:
Koichi Kodama
Department of Urology, Toyama City Hospital, 2-1Imaizumi-hokubucho, Toyama 939-8511
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0970-1591.105770

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Renal calculi in patients with renal angiomyolipomas are difficult to treat because of the hemorrhagic potential of these tumors. We describe the case of a 65-year-old man having tuberous sclerosis complex-associated multifocal renal angiomyolipomas with a large renal calculus. The patient presented with left flank dullness and a previous history of spontaneous angiomyolipoma rupture. Intravenous pyelography revealed a 43 × 16 mm calculus in the pelvis and lower calyx of the left kidney. The calculus was successfully removed by retrograde flexible ureterorenoscopy and holmium-YAG lithotripsy. Flexible ureterorenoscopy is an effective, minimally invasive therapy for patients at high risk of renal hemorrhage.

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