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Surgical Outcome of Extraperitoneal Paraaortic Lymph Node Dissections Compared With Transperitoneal Approach in Gynecologic Cancer Patients

2013; Elsevier BV; Volume: 20; Issue: 5 Linguagem: Inglês

10.1016/j.jmig.2013.03.009

1553-4669

Sara Morales, Ignacio Zapardiel, Jacek Grabowski, Alicia Hernández, María Dolores Diestro, Cristina González-Benítez, Javier De Santiago,

Ovarian cancer diagnosis and treatment

Abstract Study Objective To evaluate the surgical outcome of extraperitoneal paraaortic lymph node dissection compared with the traditional transperitoneal approach. Design Retrospective review (Canadian Task Force classification III). Setting University hospital. Patients Women with gynecologic malignancies admitted to our hospital between 2007 and 2011 who underwent laparoscopic paraaortic lymphadenectomy. Interventions Indication, diagnosis, and outcome according to type of surgery were evaluated. Measurements and Main Results Of 47 patients who underwent laparoscopic paraaortic lymphadenectomy because of gynecologic indications, 28 patients underwent extraperitoneal paraaortic lymph node dissection and 19 underwent the same procedure via the classic transperitoneal technique. The most frequent indication for extraperitoneal lymph node dissection was cervical cancer (71.4%), and for the transperitoneal technique was endometrial cancer (47.4%). The mean (SD) duration of surgery was 211 (38) minutes in the transperitoneal approach group, and 173 (51) minutes in the extraperitoneal lymphadenectomy group (p = .009). No significant differences between groups were found in the number of lymph nodes removed (15 [5.9] nodes in the extraperitoneal group vs 17.4 [8.6] in the transperitoneal group; p=.25). However, a higher rate of positive nodes was observed in the extraperitoneal group than in the transperitoneal group (42.8% vs 36.2%, respectively [p = .001]), and a significantly shorter stay in the intensive care unit in the extraperitoneal group (0.59 [0.5] vs 1.1 [0.5] days, respectively; p=.02). No significant differences in complication rate were found between groups. Conclusions Extraperitoneal paraaortic lymph node dissection is a minimally invasive procedure that is an excellent and safe approach to the paraaortic area, with a low complication rate, sufficient number of lymph nodes, and short hospital stay. It seems to be a good alternative to the classic transperitoneal approach.