Intraoperative sentinel node identification in early stage cervical cancer using a combination of radiolabeled albumin injection and isosulfan blue dye injection

José M. Martínez-Palones, Antonio Gil-Moreno, María A. Pérez-Benavente, Isabel Roca, Jordi Xercavins

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Resum

Objectives. We investigated the feasibility of sentinel lymph node identification using radioisotopic lymphatic mapping with technetium-99m- labeled human serum albumin and isosulfan blue dye injection in patients undergoing radical hysterectomy with pelvic lymphadenectomy for treatment of early cervical cancer. Methods. Between September 2000 and October 2002, 25 patients with cervical cancer FIGO stage I (n = 24) or stage II (n = 1) underwent sentinel lymph node detection with preoperative lymphoscintigraphy (technetium-99m colloid albumin injection around the tumor) and intraoperative lymphatic mapping with blue dye and a handheld or laparoscopic gamma probe. Complete pelvic or paraaortic lymphadenectomy was performed in all cases by open surgery or laparoscopic surgery. Results. In 23 evaluable patients, a total of 51 sentinel lymph nodes were detected by lymphoscintigraphy (mean 2.21 nodes per patient). Intraoperatively, 61 sentinel lymph nodes were identified, with a mean of 2.52 nodes per patient by gamma probe and a mean of 1.94 nodes per patient after isosulfan blue injection. Forty percent of sentinel nodes were found in the interiliac region and 25% in the external iliac area. Microscopic nodal metastases (four nodes) were confirmed in 12% of cases. All these lymph nodes were previously detected as sentinel lymph nodes. The remaining 419 nodes after pelvic lymphadenectomy were histologically negative. Conclusions. Sentinel lymph node identification with technetium-99m-labeled nanocolloid combined with blue dye injection is feasible and showed a 100% negative predictive value, and potentially identified women in whom lymph node dissection can be avoided. © 2004 Elsevier Inc. All rights reserved.
Idioma originalEnglish
Pàgines (de-a)845-850
RevistaGynecologic Oncology
Volum92
Número3
DOIs
Estat de la publicacióPublicada - 1 de gen. 2004

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