To present our initial experience on the feasibility of robotic transperitoneal para-aortic lymphadenectomy up to left renal vein via single docking approach by high port insertion technique followed by left shoulder docking as a rescue backup procedure in surgically obstructed patients undergoing surgical staging because of locally advanced cervical cancer (LACC). Prospective observational preliminary study. Canadian Task Force classification II-3. Tertiary-care academic affiliated private hospital. Ten patients with LACC who underwent robotic transperitoneal infrarenal para-aortic lymphadenectomy between January 2012 and December 2014. All patients with pathologically proven cervical cancer underwent a PET/CT scanning in a similar fashion at the department of nuclear medicine. PET/CT scans were evaluated by the nuclear medicine specialist. Following pre-operative work-up, robot-assisted transperitoneal infrarenal para-aortic lymphadenectomy was performed up to left renal vein by the same experienced surgeon. Sections of 5 mm were performed and stained with routine hematoxylin and eosin (H&E), and node count was done separately by experienced gynecopathologist. During the study period, 12 consecutive patients with LACC were counseled for pre-therapeutic robot-assisted transperitoneal para-aortic lymphadenectomy. Two patients declined the procedure and underwent standardized chemo-radiation therapy whereas remaining ten patients constituted the study group. In the study group, the median age was 46 years (range 33-59 years), and the median body mass index 28.5 kg/m (range 18.5-35.1 kg/m). Clinical staging was stage IIB in four patients, IIIB in four, and IVA in one. Histopathological diagnosis was squamous cell carcinoma in nine patients, and adenocarcinoma in one. On PET/CT scans, seven out of ten patients were positive for pelvic lymph node metastasis. With respect to para-aortic area, only one of the ten patients had suspected metastasis in PET/CT. For nine patients with LACC, the median docking time was 6.5 min (range 4-15 min), and the median operating time for para-aortic lymphadenectomy was 120 min (range 60-165 min). The median trocar time was 14.5 min (range 5-45 min). In two out of ten patients, the surgical removal of whole lymphatic tissue between inferior mesenteric artery and left renal vein was not completely possible by a single docking of robotic column. Therefore, a new optic trocar was placed in the umbilicus and the robotic column was relocated over the left shoulder of the patient and residual lymphatic tissue measuring approximately 2 cm in the long axis immediately below the left renal vein was removed and the surgery was completed up to the left renal vein. All para-aortic lymphadenectomies have been completed by robotic route. There were no intra-operative complications. No patient received a blood transfusion. Early post-operative grade 2 and 3a complications according to Dindo classification occurred in two patients: one symptomatic lymphocyst and one local infection on assistant port s...
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