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  • 1539
  • 2017-03-08

Sentinel node technique in uterine cancers (update of April 2012 lecture)

Epublication WebSurg.com, Mar 2017;17(03). URL:
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Endometrial cancer is the most common gynecologic malignancy. In the majority of patients, the disease will present at an early stage, without metastasis, and with an excellent prognosis. Total hysterectomy and bilateral salpingo-oophorectomy with or without a lymph node dissection is the standard method in the management of endometrial cancer. Although the rate of metastasis in patients with early stage endometrial cancer is low, the standard of treatment still includes a complete or selective pelvic and para-aortic lymphadenectomy for staging, resulting in detrimental side-effects, including lower extremity lymphedema. SLN mapping is based on the concept that lymph node metastasis is the result of an orderly process, that is, the lymph drains in a specific pattern away from the tumor, and therefore if the SLN, or first node, is negative for metastasis, then the nodes after the SLN should also be negative. Among gynecological cancers, a variety of methods have been described to detect a sentinel node in situ including colored dyes and radioisotopes, the latter requiring a specialized gamma detection probe. In this key presentation, Dr. Querleu will talk about the SNL technique in uterine cancers.