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  • Title: Sentinel lymphadenectomy for the staging of clinical axillary node-negative breast cancer before neoadjuvant chemotherapy.
    Author: Menard JP, Extra JM, Jacquemier J, Buttarelli M, Lambaudie E, Bannier M, Brenot Rossi I, Houvenaeghel G.
    Journal: Eur J Surg Oncol; 2009 Sep; 35(9):916-20. PubMed ID: 19157769.
    Abstract:
    BACKGROUND: Several authors reported sentinel lymph node biopsy (SLNB) after neoadjuvant chemotherapy (NC). Nevertheless, the ideal time of SLNB is still a matter of debate. METHODS: We evaluated the feasibility and the accuracy of SLNB before NC using a combined procedure (blue dye and radio-labelled detection) before NC. Axillary lymph node dissection (ALND) was performed after completion of NC in a homogeneous cohort study with clinically axillary node-negative breast cancer. RESULTS: Among the 20 women who had metastatic SLNB (65%), 4 (20%) had additional metastatic node on ALND. By contrast, all the 11 women who had no metastatic SLNB had no involved nodes in the ALND. The SLN identification rate before NC was 100% with any false negative. CONCLUSIONS: SLNB before NC is a feasible and an accurate diagnostic tool to predict the pre-therapeutic axilla status. These findings suggest that ALND may be avoided in patients with a negative SLNB performed before NC.
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