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Clinicoradiological parameters predicting operative difficulty in laparoscopic partial nephrectomy for renal tumors
Faisal Masood Pirzada1, Rajeev Sood1, Anil Taneja2
1Department of Urology and Renal Transplant, Atal Bihari Vajpayee Institute of Medical Sciences and Dr. Ram Manohar Lohia Hospital, New Delhi, India.
Summary
Predicting operative difficulty in laparoscopic partial nephrectomy (LPN) for renal tumors is challenging. A combination of factors, rather than a single predictor, should guide case selection to minimize conversions to open surgery.
Area of Science:
- Urology
- Minimally Invasive Surgery
- Oncology
Background:
- Laparoscopic partial nephrectomy (LPN) is increasingly used for renal tumors due to early detection and surgical advancements.
- Minimizing conversion to open surgery is crucial and relies on effective pre-operative case selection.
Purpose of the Study:
- To identify pre-operative factors predicting operative difficulty in LPN.
- To aid in selecting appropriate cases for LPN and reduce open conversions.
Main Methods:
- 116 patients undergoing transperitoneal LPN were analyzed.
- Clinical, anthropometric, radiological, and pathological data were collected.
- Intraoperative difficulty was graded, and factors predicting difficulty were assessed via univariate and multivariate analyses.
Main Results:
- Univariate analysis showed age >60, ECOG score >1, perinephric fat stranding, high PnFSD, large tumor size (>4 cm), hilar/posterior location, endophytic tumors, and higher clinical stage were associated with difficulty.
- Multivariate analysis revealed no single factor could independently predict intraoperative difficulty in LPN for renal tumors.
Conclusions:
- Predicting intraoperative difficulty during LPN is complex.
- Feasibility of LPN depends on a multifactorial assessment, not a single predictive factor.
