GIÁ TRỊ SINH THIẾT LÕI KIM DƯỚI HƯỚNG DẪN SIÊU ÂM CÁC TỔN THƯƠNG VÚ PHÂN ĐỘ BI-RADS 4, 5

Abstract

Objectives: To describe the imaging features of breast lesions suggestive of malignancy according to American college of Radiology (ACR) terms during ultrasound guided core needle biopsy (CNB), and evaluate the successes as well complications of CNB. Methods: A retrospective study cases series study. All 186 female patients who went to the oncology hospital for examination and diagnosed with BIRADS 4,5 breast lesion on ultrasound assigned to have needle core biopsy (NCB) and had pathological results from May 2020 to May 2021. Results: mean age of 52,3 years old, group of 40-49 years old account for the highest proportion (30%). The average age of the study sample was 52.3 years old; the age of the disease was highest in the group of 40 - 49 years old (accounting for 30%). 38% of patients had time to detection between 1 and 6 months. The distribution of right and left tumors is almost the same: 46.24% on left side and 43.55% on right size. Most tumors were >20-40mm in size at the time of detection, accounting for 40.86%. The rate of malignancy in disease groups was: 4A (4.3%), 4B (18.3%), 4C (33.3%), 5 (27.5%). The characteristic on ultrasound of malignant tumors is: irregular shape (94.84%), not parallel orientation (98.06%), micro-lobulated margin (52.9%), hypoechoic (85,16%), posterior acoustic features with combined pattern (65.81%), intra-tumor microcalcification (45.81%). There were significant difference imaging features between the malignant and benign lesion. Most patients received 5 cores of ST (59%). There were 3 patients with mild complications (2 cases of bleeding and 1 case of hematoma). Pathological results showed that carcinoma accounted for the highest rate (78.49%). Conclusion: Ultrasound-guided CNB help diagnose breast cancer with low complication rate, helping clinicians to plan appropriate treatment for each patient.