Laparoscopic Partial Nephrectomy for Renal Angiomyolipoma: A Retrospective Cohort Study
Journal Title: The Bulletin of Urooncology - Year 2020, Vol 19, Issue 2
Abstract
Objective: The aim of this study is to investigate the surgical and functional outcomes of laparoscopic partial nephrectomy (LPN) in patients with renal angiomyolipoma (RAML). Materials and Methods: From April 2014 to February 2018, the data of a total of 346 patients who underwent LPN were retrospectively reviewed. Twenty-one patients with final pathology report indicating RAML were included in the study. Demographic data, operative indications, intraoperative and postoperative outcomes as well as complications were evaluated. Results: Eighteen female (85.7%) and 3 male (14.3%) patients were included in this study. The mean age was 55.14±11.95 years. Of the RAMLs, 52.4% were in the right kidney and 47.6% in the left kidney. The mean tumor size was 31.38±16.72 mm and the mean RENAL Nephrometry score was 5.90±1.51 (4-10). RAML could not be differentiated from RCC in 12 patients (57.1%) by preoperative computer tomography and/or magnetic resonance images. In 4 patients, LPN was implemented by off-clamp technique whereas, in 17 patients it was implemented by global ischemia technique. The mean operation duration was 67.86±20.77 (40-110) minutes (min) and the mean estimated blood loss was 117.14±59.7 (30-220) milliliters. In 17 patients who underwent LPN by global ischemia technique, the mean warm ischemia time was 10.88±5.19 (6-22) min. According to the Modified Clavien-Dindo classification, grade 1 complications were detected in 3 patients, postoperatively. The most considerable renal functional changes were detected between preoperative and postoperative- 1st day levels. However, at the end of the first year, the difference was found to decrease. Conclusion: LPN is a safe and effective treatment option for the treatment of RAMLs that are not able to be distinguished from renal cell carcinoma radiologically. Besides the definitive treatment, the exact pathological diagnosis can be ensured by LPN.
Authors and Affiliations
Mehmet Necmettin Mercimek, Ender Özden, Latif Mustafa Özbek
Keywords
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- EP ID EP685432
- DOI 10.4274/uob.galenos.2019.1335
- Views 141
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