Asymptomatic Renal Pseudoaneurysm Following Laparoscopic Partial Nephrectomy

A 66-year-old-woman underwent a laparoscopic left partial nephrectomy for 3cm partially exophytic tumour arising from the posterior interpolar region of the left kidney. Follow-up surveillance computed tomograph 6-months following the surgery found an incidental 4cm lesion in the left kidney which avidly enhanced in the arterial phase, consistent with a renal pseudoaneurysm. She was completely asymptomatic. Renal pseudoaneurysm is rare complication following minimally invasive nephron sparing surgery and typically presents in the early post-operative period with gross haematuria. However, a large renal pseudoaneurysm may also present as an asymptomatic incidental finding and is amenable to angioembolization.

Urology. 2016 May 16 [Epub ahead of print]

Peter E Lonergan, Cormac Farrelly, Tony Geoghegan, Stephen S Connolly

Department of Urology, Mater Misericordiae University Hospital, Dublin, Ireland. Electronic address: ., Department of Radiology, Mater Misericordiae University Hospital, Dublin, Ireland., Department of Radiology, Mater Misericordiae University Hospital, Dublin, Ireland., Department of Urology, Mater Misericordiae University Hospital, Dublin, Ireland.

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