Feasibility of sentinel lymph node biopsy in breast cancer patients clinically suspected of axillary lymph node metastasis on preoperative imaging

World Journal of Surgical Oncology

Byung Joo Song¹  Sang Seol Jung¹  Sang Hoon Kim¹  Eun Young Chang¹  Eun Jin Kim¹  Ja Seong Bae¹  Byung Joo Chae¹  Hee Yong Kwak¹ 

[1] Department of Surgery, Catholic University of Korea, College of Medicine, Seoul, Republic of Korea

关键词: Sentinel lymph node biopsy;    Metastasis;    Lymph node;    Breast;   

Others  :  825436
DOI  :  10.1186/1477-7819-11-104

 received in 2012-12-21, accepted in 2013-05-12,  发布年份 2013

【 摘 要 】

Background

Generally, sentinel lymph node biopsy (SLNB) is performed in patients with clinically negative axillary lymph node (LN). This study was to assess imaging techniques in axillary LN staging and to evaluate the feasibility of SLNB in patients clinically suspected of axillary LN metastasis on preoperative imaging techniques (SI).

Methods

A prospectively maintained database of 767 breast cancer patients enrolled between January 2006 and December 2009 was reviewed. All patients were offered preoperative breast ultrasound, magnetic resonance imaging, and positron emission tomography scanning. SI patients were regarded as those for whom preoperative imaging was “suspicious for axillary LN metastasis” and NSI as “non-suspicious for axillary LN metastasis” on preoperative imaging techniques. Patients were subgrouped by presence of SI and types of axillary operation, and analyzed.

Results

For 323 patients who received SLNB, there was no statistically significant difference in axillary recurrence (P=0.119) between SI and NSI groups. There also was no significant difference in axillary recurrence between SLNB and axillary lymph node dissection (ALND) groups in 356 SI patients (P=0.420). The presence of axillary LN metastasis on preoperative imaging carried 82.1% sensitivity and 45.9% specificity for determining axillary LN metastasis on the final pathology.

Conclusions

SLNB in SI patents is safe and feasible. Complications might be avoided by not performing ALND. Therefore, we recommend SLNB, instead of a direct ALND, even in SI patients, for interpreting the exact nodal status and avoiding unnecessary morbidity by performing ALND.

【 授权许可】

   
2013 Kwak et al.; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

Figure 2.

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