Embolization of renal-artery pseudoaneurysm after laparoscopic partial nephrectomy for angiomyolipoma: case report and literature review.
BACKGROUND
Renal-artery pseudoaneurysm (RAP) is a well-described complication of trauma or percutaneous urologic procedures. Delayed bleeding from an RAP is rare after partial nephrectomy.


METHODS
We present a 49-year-old woman who, 24 days after undergoing a laparoscopic right partial nephrectomy for a mesophytic 2.5-cm tumor, developed gross hematuria. Prompt CT imaging, followed by therapeutic angio-embolization of a third-order segmental renal artery with coils, treated the pseudoaneurysm successfully.


CONCLUSIONS
Renal-artery pseudoaneurysm is a rare, potentially life-threatening, condition that often is difficult to diagnose and requires a high index of clinical suspicion. Early use of selective angio-embolization minimizes morbidity and maximizes renal conservation. The etiology, diagnosis, and management are discussed.
Zorn
Kevin C
KC
Section of Urology, University of Chicago Pritzker School of Medicine, Chicago, Illinois 60637, USA. kevinzorn@hotmail.com
Starks
Christopher L
CL
Gofrit
Ofer N
ON
Orvieto
Marcelo A
MA
Shalhav
Arieh L
AL
D017541:Aneurysm, False / Q000209:etiology* / Q000628:therapy*; D018207:Angiomyolipoma / Q000601:surgery*; D004621:Embolization, Therapeutic; D005260:Female; D006801:Humans; D007680:Kidney Neoplasms / Q000601:surgery; D010535:Laparoscopy / Q000009:adverse effects*; D008875:Middle Aged; D009392:Nephrectomy / Q000009:adverse effects*; D011860:Radiography, Abdominal; D012077:Renal Artery / Q000473:pathology*; D014057:Tomography, X-Ray Computed