前哨淋巴结(SLN)活检有助于判断腋淋巴结状态而决定腋淋巴结清扫(ALND)的需要性,但SLB活检有其禁忌证:T3或T4肿瘤,新辅助化疗,巨大活检空腔,早期腋部手术,早期乳腺或胸壁放射。因易影响活检的正确性和导致假阴性结果,多中心和多灶怀侵袭型乳腺癌也是采用SLN活检的禁忌证。多中 Sentinel lymph node (SLN) biopsy can help determine axillary lymph node status and determine the need for axillary lymph node dissection (ALND), but SLB biopsy has its contraindications: T3 or T4 tumors, neoadjuvant chemotherapy, giant biopsy cavity, early axillary Surgery, early breast or chest wall radiation. Because of susceptibility to biopsy correctness and lead to false negative results, multi-center and multi-lesion invasive breast cancer is also a contraindication for SLN biopsy. Many