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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Preliminary study of sentinel node identification with 99mTc colloid and blue dye in patients with endometrial cancer.

AIMS AND BACKGROUND: Intraoperative lymphatic mapping and sentinel node ( SLN) biopsy have generated a tremendous amount of interest and are already established as part of the standard practice in the surgical management of breast cancer and melanoma. To reduce extensive radical procedures and decrease the morbidity in the treatment of gynecologic malignancies, much effort is being made to use less aggressive interventions. The purpose of our study was to determine the feasibility of SLN mapping in a group of patients with endometrial cancer at early stages. METHOD AND STUDY DESIGN: Between September 2000 and May 2001 11 patients with endometrial cancer FIGO stage Ib (n = 10) and IIa (n = 1) underwent laparoscopic SNL detection during laparoscopy-assisted vaginal hysterectomy with bilateral salpingo-oophorectomy and bilateral systematic pelvic lymphadenectomy. Radioactive isotope injection was performed 24 hours before surgery and blue dye injection was performed just before surgery in the cervix at 3,6, 9 and 12 hours. A 350 mm laparoscopic gamma scintyprobe MR 100 type 11, 99mTc settled (Pol Hi Tech), was used intraoperatively for SLN detection. RESULTS: Seventeen (17) SLNs were detected with lymphoscintigraphy (six bilateral and five unilateral). At laparoscopic surgery we found the same locations belonging at internal iliac lymph nodes (the so-called Lebeuf-Godard area, lateral to the inferior vesical artery, ventral to the origin of the uterine artery and medial or caudal to the external iliac vein). Fourteen (14) SLNs were negative on histological analysis and three were positive for micrometastases (mean SLN sections = 60). All other pelvic lymph nodes were negative at histological analysis. The same SLN locations detected with the gamma scintyprobe were observed at laparoscopy after patent blue dye injection. CONCLUSIONS: Our preliminary data suggest that combined 99mTc-labeled colloid and vital blue-dye techniques are feasible for SLA detection in endometrial cancer; they represent a very promising tool to transform the management of early-stage endometrial cancer. The clinical validity of this combined technique should be evaluated prospectively.[1]


  1. Preliminary study of sentinel node identification with 99mTc colloid and blue dye in patients with endometrial cancer. Pelosi, E., Arena, V., Baudino, B., Bellò, M., Gargiulo, T., Giusti, M., Bottero, A., Leo, L., Armellino, F., Palladin, D., Bisi, G. Tumori. (2002) [Pubmed]
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