Abstract
IntroductionAxillary staging remains the most accurate predictive factor for recurrence risk and survival in patients with invasive breast carcinoma. Sentinel Node Occult Lesion Localization (SNOLL) allows with a single intra-lesion injection both localization of impalpable breast lesion and sentinel node biopsy. Our aim was to compare the efficacy of SNOLL and standard radio isotopic method for sentinel node localization by lymphoscintigraphy. MethodsThis retrospective study enrolled 100 patients treated for breast carcinoma with indication of sentinel node biopsy between may 2017 and January 2019 in breast surgery unit of Montpellier university hospital. ResultsSNOLL and standard radio isotopic method were realized in respectively 65 and 35 patients. Failure rates of sentinel node localization were respectively 34% and 11% by lymphoscintigraphy (P=0.02), 17% and 9% intraoperatively and 11% et 6% using radioisotope combined with colorimetric method. DiscussionFailure rate of sentinel node localization is higher using SNOLL. This rate is reduced by additional radioisope migration in the time between isotope injection and surgery and by the use of combined method. SNOLL should therefore be combined with colorimetric method. These results must be confirmed in a larger study.
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