Introduction Preoperative lymphoscintigraphy as a sentinel lymph node mapping has been in use in Estonia since 2004. In 2007 this method was applied for cervical, and vulvar cancer in our hospital. The purpose of this study was to summarise our institution’s experience from 2013 to 2018.
Methods Data was collected retrospectively on endometrial, cervical, and vulvar cancer patients who had sentinel lymph node mapping from 2013 until 2018. Electronic health records were analysed following the ethics committee’s approval. The aim was to see how many preoperatively mapped lymph nodes were identified during the operation and how many positive nodes were found.
Results During the period 24 vulvar, 94 cervical, and 298 patients with endometrial cancer were operated on, of which 40 patients had lymphoscintigraphy for sentinel lymph node mapping. The median age was 52 years for cervical, 62 years for endometrial and 76 years for vulvar cancer patients with predominantly FIGO stage I. Preoperatively mapped inguinal lymph nodes were identified intraoperatively. Three patients had preoperatively mapped iliac nodes on the left and two on the right, which were not identified intraoperatively. Two patients had positive sentinel nodes on frozen section and two other patients had negative frozen section, but cancer cells were found during the final histology.
Conclusion This is the first analysis of this method in our clinic, where approximately 69 women per year are operated on for vulvar, cervical, or endometrial cancer. Preoperative lymphoscintigraphy for sentinel node mapping has good correlation with intraoperative identification of lymph nodes.
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