• Calogero Cipolla, Giuseppa Graceffa, Sergio Calamia, Stefania Latteri, Marco Vito Marino, Mario Latteri, and Salvatore Vieni.
• Ann Ital Chir. 2017 Nov 14; 6.

BackgroundThe prognostic value of sentinel lymph node (SLN) micrometastases in invasive breast cancer patients is still widely debated. Even if, in the absence of unequivocal guidelines, the axillary lynphadenectomy is not still performed in the routine clinical care of these patients.Materials And MethodWe have retrospectively analyzed 897 patients with operable invasive breast cancer and clinically negative axillary lymph nodes underwent conservative surgery or total mastectomy with SLN biopsy. Two groups of patients with SLN micrometastases and isolated tumor cells (ITC) were considered, the first one treated with completion axillary dissection, the second one not followed by further surgical axillary procedure. The incidence of axillary recurrences has BEEN evaluated in both groups and only in the first group of patients the involvement of the remaining lymph nodes was analyzed.ResultsMicrometastases were found in 67 (7.4%) patients and ITC in 8 (0,9%) patients. 14 (20.9%) patients with micrometastases and 1 (12.5%) patient with ITC underwent completion axillary dissection. 53 (79.1%) patients with micrometastases and 7 (87.5%) with ITC didn't receive further surgical axillary procedure. No axillary recurrences were found during a median follow up of 65.7±8.69 months in both groups of patients.ConclusionsBased on the results and according to some recent randomized trials we can say that completion axillary dissection can be safely avoided when micrometastases are found in sentinel lymph nodes. It should be performed anyway, depending on the analysis of the biomedical profile of the tumor.Key WordsBreast Carcinoma, Micrometastases Axillary Lymphonode Dissection, Sentinel Lymphonode.

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