The B-ultrasound doctor makes a comprehensive judgment by observing the different echoes and blood flow conditions of the breast tissue, (1) whether there is a mass? If there is a lump, is its shape regular, and is it lobulated or crab footed? Is the boundary of the lump unclear? Is the echo uniform? Is the echo behind the lump attenuated? (2) Is there calcification present? Pay special attention to whether there are fine spots, sand particles, or clustered calcifications? (3) Is there any blood flow? Is the blood flow abundant? (4) Under B-ultrasound, if the elastography grading is high, with red as the main color, it indicates that the mass texture is relatively hard.
The following situations often indicate the possibility of malignancy: (1) The shape of the mass is irregular, lobulated, and crab footed; (2) Unclear boundaries, uneven echoes, and attenuation of echoes behind; (3) Fine spot, sand like, clustered calcification; (4) Rich blood flow levels II-III, high resistance and high speed, resistance index (RI)>0.70; (5) The elastography grading is high, indicating a hard texture of the mass. But it cannot be completely certain. Doctors should consider the patient's age, menstrual condition, physical examination results, mammography status, past history, and family history comprehensively, and if necessary, perform puncture or minor surgical biopsy.
B-ultrasound doctors refer to thebreast imaging reportand data system (BI-RADS reporting system) proposed by the American Society of Radiology to make the following report:
BI-RADS Level 0: requires combination with other examinations
BI-RADS Level 1: negative
BI-RADS Level 2: benign
BI-RADS Level 3: benign possibility, requiring short-term follow-up (visit every 3-6 months)
BI-RADS Level 4: suspected malignancy, recommended biopsy
4A: low suspicion(
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