Accuracy of Ultrasound-Guided Core-Needle Biopsy of Non-Palpable Breast Masses

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Siriprinya Poontananggoon


were found. Therefore, ultrasound-guided core-needle biopsy was also introduced to identify and get sample tissue, instead of open-excisional biopsy. This study aimed to evaluate the accuracy of ultrasound-guided core-needle biopsy compared to open-excisional biopsy.

Methods: This was a retrospective descriptive study done in Maharat Nakhonratchasima hostpital breast-masses patients, after having both ultrasound-guided core-needle biopsy and open-excisional biopsy. Pathological examination results from both methods were compared.

Results: From January, 2012 to July, 2015, there were 91 patients who had been biopsied by both methods. Most abnormal pathological results from ultrasound-guided core-needle biopsy were benign in 68.13%. Cancer-related results were found in 21.98%. 81 patients had results that were in consistent with open-excisional biopsy.

Conclusion: In non-palpable breast masses, pathological examination results from ultrasound-guided core-needle biopsy had high accuracy rate of 89.1%(95%CI, 82.58-95.44%), when compared to open-excisional biopsy.


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