Breast imaging-reporting and data system (BI-RADS) > 의학

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Breast imaging-reporting and data system (BI-RADS)

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작성자 소겸 댓글 0건 조회 29회 작성일 23-12-26 12:50

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Breast imaging studies are assigned one of seven assessment categories:

  • BI-RADS 0: incomplete

    • need additional imaging evaluation (additional mammographic views or ultrasound) and/or

    • for mammography, obtaining previous images not available at the time of reading

  • BI-RADS 1: negative

    • symmetrical and no masses, architectural distortion, or suspicious calcifications

  • BI-RADS 2: benign

    • 0% probability of malignancy

  • BI-RADS 3: probably benign

    • <2% probability of malignancy

    • short interval follow-up suggested

  • BI-RADS 4: suspicious for malignancy

    • 2-95% probability of malignancy

    • for mammography and ultrasound, these can be further divided:

      • BI-RADS 4A: low suspicion for malignancy (2-9%)

      • BI-RADS 4B: moderate suspicion for malignancy (10-49%)

      • BI-RADS 4C: high suspicion for malignancy (50-94%)

    • biopsy should be considered

  • BI-RADS 5: highly suggestive of malignancy

    • >95% probability of malignancy

    • appropriate action should be taken

  • BI-RADS 6: known biopsy-proven malignancy 

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