Diagnostic value of X-ray stereotactic vacuum-assisted biopsy for breast micro-calcification

Abstract

Objective To compare the accuracy and clinical effect between X-ray stereotactic vacuum-assisted biopsy (SVAB) and metal wire guided lumpectomy. Methods From January 2010 to June 2014, 681 cases of breast micro-calcification biopsy were performed. Among them, 78 cases were performed with SVAB and 603 cases were performed with the method of stereotactic metal wire guided lumpectomy. All cases were non-palpable breast lesions (NPBLs) and breast imaging-reporting and data system (BI-RADS) assessment categories 4. The diagnostic accuracy and clinical effect were compared. Results The sensitivity of both methods was 100 % with no misdiagnosis. The underestimation rate of SVAB was 12.5 %. Compared with the method of metal wire guided lumpectomy, SVAB had many advantages, such as easy to use, quickly performed, low rate of local deformation and lower rate of operative complications. 77.5 % patients benefited from SVAB by avoiding open surgery of benign disease. Conclusions SVAB is an accurate, safe and convenient method of biopsy. It can be recommended as the preferred method of micro-calcification (BI-RADS 4). Additional operation should be performed on patients with the pathological diagnosis of middle and high grade of dysplasia and any kind of carcinoma. Key words: Breast micro-calcification; Vacuum-assisted biopsy; Diagnosis; Wire guided lumpectomy