Department of Diagnostic Radiology, Department of Anatomical Pathology1 College of Medicine, Chungnam National University
ABSTRACT
To prospectly evaluate the diagnostic value and clinical usefulness of percutaneous breast biopsy under the USguidance, we performed percutaneous biopsy of 49 breast lesions in 45 patients by using automated biopsy gun thatwas loaded with an 18-gauze tru-cut needle. Biopsy was performed at two or three different points of the samelesion. Percutaneous biopsy specimens were sufficient for the pathologic diagnosis in 46 *94%) lesions andinsufficient in three (6%). Thirty one lesions were proved benign, and 15 lesions malignant at the histologicexamination. Of the 36 cases that were followed-up after the operation, the clinical behavior was concordant withthe pathologic diagnosis from percutaneous biopsy in 35 lesions (97%). There were no crush artifacts in thepercutaneous biopsy specimens. Fragmentation of biopsy specimen was observed in six occasions. However, in five ofthese six cases, pathologic diagnosis could be made from the damaged specimen. There was no significantcomplication during and after the procedures. In conclusion, ultrasound-guided biopsy with automated gun biopsydevice is an accurate and safe procedure in patients with breast disease.
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