Aneurysm of renal artery mimicking as a renal cyst: A case report

Dwi Evan Prima Putra Noviardi *, Muhammad Naufal Arkhaputra, Zuhirman and Indra Jaya

Department of Surgery, Urology Sub-Division, Faculty of Medicine, Riau University, Pekanbaru, Indonesia.
 
Case Study
World Journal of Advanced Research and Reviews, 2022, 14(03), 195–198
Article DOI: 10.30574/wjarr.2022.14.3.0505
 
Publication history: 
Received on 30 April 2022; revised on 05 June 2022; accepted on 07 June 2022
 
Abstract: 
Background: Renal artery aneurysm is a dilated segment of renal artery that exceeds twice the diameter of a renal artery. Renal artery aneurysm is a rare condition and mostly asymptomatic. Most renal artery aneurysms diagnosed incidentally when imaging modality performed. We report a case of accessory renal artery aneurysm in a 48-year-old male mimicking as a renal cyst.
Case Presentation: A rare case of renal artery aneurysm in a 48-year-old male is presented. Patient came with left flank pain. Abdominal CT scan showed renal cyst on subcapsular left kidney with size of 7 x 4.6 x 9.2 cm. Patient underwent retroperitoneal exploration and excision of the mass and blood clots were found inside.
Conclusion: A renal artery aneurysm mimics the presentation of a renal cyst, clinically and radiologically. Therefore, renal artery aneurysm should be considered as a differential diagnosis, especially if the mass located near the renal sinus. Performing imaging such as CT angiography should be considered. 
 
Keywords: 
Accessory Renal Artery Aneurysm; Renal Artery Aneurism; Renal Cyst
 
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