Abstract
of Radio-guided Surgery (RGS) of the Spanish Society of Nuclear Medicineand Molecular Imaging (SEMNIM) analyzed the data obtained witha survey carried out in the Departments of Nuclear Medicine of ourcountrywiththeaimofevaluatingtheuniformityofthecriteriaandtechniques used in selective sentinel lymph node biopsy (SSLNB)in malignant melanoma (MM).The survey collected data regarding: the year of techniqueimplementation, the number of cases, inclusion criteria, previousultrasonography of lymph node regions, rate of scintigraphic andsurgical localization and the false negative rate in both the vali-dation and application phases. The survey also included questionsrelated to the injection site, radiotracer used, the imaging protocolperformed, the use of SPECT and/or SPECT-CT, the use of a portablegamma camera and dyes, the histological studies carried out andthe role of nuclear medicine staff in the operating room.The survey was sent to 135 centers with Nuclear MedicineDepartments and response was obtained from 42 centers, 38 ofwhich provided data.ResultsValidation phaseThe validation phase was carried out in 17 centers, with only 11having data in this phase which included 10–50 patients (mean:15).The rates of scintigraphic and surgical localization ranged from95% to 100% and the false negative rate in axillary lymph nodedissection was of 0–5%.
Published Version
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