Angiomyelolipoma Size Reduction after Selective Renal Arterial Embolization Using Mixture of Ethanol and Ethiodize Oil Solution: A Retrospective Study in Single-Center Experience

Objectives: The purpose of this study was to evaluate size of renal angiomyelolipoma (AML) after selective renal arterial embolization. The mixture of alcohol and ethiodize oil solution was used as an embolic material. Methods: Nine patients with renal AML were treated with selective renal arterial embolization between July 2009 and November 2018. The mixture of alcohol and ethiodize oil solution in a ratio of 3:1 was used as an embolic material. Medical records were reviewed and analyzed. The follow-up computerized tomography scan images were used to evaluate the clinical success and size reduction. Results: The mean size of AML before treatment was 11.1 cm (range, 6.8–20.2). The mean size of AML after treatment was 7.9 cm (range, 3.6–13.2). Three (33.3%) patients had bilateral and 6 (66.7%) had unilateral AML. All of patients who had bilateral AML had tuberous sclerosis complex. Four (44.4%) patients presented with bleeding AML and required emergency embolization. Most of patients (77.8%) need multiple sessions of embolization. No bleeding or tumor growth was observed during follow-up period. Five patients (55.6%) had postembolization symptoms after embolization. None of the patients had major complication. Conclusion: The mixture of alcohol and ethiodize oil solution was safe and efficient in the treatment of renal AML.

 

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Artikel online veröffentlicht:
26. April 2021