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Off-Clamp Laparoscopic Partial Nephrectomy for a Fat-Poor Angiomyolipoma Arising from the Renal Capsule: A Case Report

Off-Clamp Laparoscopic Partial Nephrectomy for a Fat-Poor Angiomyolipoma Arising from the Renal Capsule: A Case Report

Authors :
Koichi Kodama
Yasukazu Takase
Isamu Motoi
Katsuhiko Saito
Source :
Case Reports in Urology, Vol 2012 (2012)
Publication Year :
2012
Publisher :
Hindawi Limited, 2012.

Abstract

Renal function can be significantly preserved after nephron-sparing surgery by decreasing the intraoperative ischemic duration or by performing off-clamp surgery. We report the case of a 56-year-old woman diagnosed with a minimal-fat angiomyolipoma arising from the renal capsule, which was successfully treated by retroperitoneoscopic partial nephrectomy without hilar clamping. Computed tomography revealed a 16 × 13 mm homogenous lenticular mass protruding from the lateral aspect of the left kidney. On both T1- and T2-weighted magnetic resonance images, the mass exhibited homogenous low-signal intensity and well-defined margins. Laparoscopic magnification indicated that the exophytic tumor was attached to the renal cortex by a small peduncle. The tumor was resected completely with negative surgical margin. The estimated glomerular filtration rate after surgery was nearly equal to that before surgery. Off-clamp laparoscopic partial nephrectomy is a feasible surgical option to prevent ischemic renal damage in select patients presenting with small, exophytic, and peripheral renal masses.

Details

Language :
English
ISSN :
2090696X and 20906978
Volume :
2012
Database :
Directory of Open Access Journals
Journal :
Case Reports in Urology
Publication Type :
Academic Journal
Accession number :
edsdoj.49ae58da2cc44b2eb639cadd55578bbc
Document Type :
article
Full Text :
https://doi.org/10.1155/2012/484790