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Renal angiomyolipoma (AML) is a benign hamartomatous tumor that is sometimes associated with the tuberous sclerosis complex. We report a 23-year-old man who presented with acute abdominal pain and hematuria. Computed tomography (CT) revealed large heterogeneous right renal mass of 17×13×13-cm diameter, consistent with AML, and acute and subacute hemorrhages. Digital subtraction angiography revealed massive tumor vascularization and multiple aneurysms associated with right renal artery branches. First, polyvinyl alcohol particles were used for the selective embolization of AML. Then, N-butyl cyanoacrylate (glue) mixed with lipiodol in a 1:3 ratio was injected for the permanent embolization of AML. CT scan revealed 59% reduction in size at 5 months after embolization. This case illustrates the selective embolization of giant renal AML with the combination of particular and liquid embolic agents with a significant reduction in size during the follow-up period.

Selective Arterial Embolization of Giant Renal Angiomyolipoma Associated with Tuberous Sclerosis Complex Using Particular and Liquid Embolic Agents