• J-J Chen, X-Y Huang, Z-B Liu, T-W Chen, J-Y Cheng, W-T Yang, W-P Xu, Z-M Shao, Z-Z Shen, and J Wu.
• Department of Breast Surgery, Cancer Hospital/Cancer Institute, Breast Cancer Institute, Fudan University, 399 Ling-Ling Road, Shanghai 200032, China.
• Eur J Surg Oncol. 2009 Sep 1; 35 (9): 921-7.

BackgroundSentinel lymph node biopsy (SLNB) has become an alternative procedure of axillary lymph node dissection (ALND) with a lower risk of significant operative morbidity. The primary aim of the present study was to evaluate the morbidity and quality-of-life (QoL) after SLNB or ALND. The second aim was to analyze whether the number of SLNs removed was associated with an increased incidence of postoperative morbidity.MethodsFrom Apr-2006 to Aug-2007, 140 patients treated with SLNB and 81 patients treated with ALND were enrolled in the study. Patients' data were collected preoperatively and at 1, 6, and 12 months after operation. Measurement of arm volume and shoulder function, evaluation of subjective sensory abnormality of both arms and chest wall were performed at every follow-up visit. Besides, patients were required to fill out the simplified Chinese version of the functional assessment of cancer therapy-breast questionnaire at 12 months after operation.ResultsPatients treated with SLNB suffered less morbidity compared with ALND. Elevated body mass index and ALND procedure were independent risk factors associated with postoperative lymphedema. Moreover, patients treated with wide local excision or SLNB had better QoL compared with those treated with mastectomy or ALND. No relationship was observed between the number of SLNs and the morbidity or QoL.ConclusionSLNB is associated with a better QoL and less morbidity compared with ALND regardless of the number of SLNs in Chinese women with breast cancer. To limit the number of SLNs less than five did not show any evidence to reduce morbidity.

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