bi rads breast imaging reporting and data system n.
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BI – RADS (breast imaging reporting and data system)

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  1. BI – RADS(breast imaging reporting and data system) 영상의학과 전민정

  2. BI – RADS 장점 • 판독의 표준화 • 영상의학과 의사와 임상 의사간의 오해의 소지를 없애고, 의사소통을 원활하게 하기 위해 다소 정형화된 용어를 사용

  3. 판독 Tool • Indication for examination • Breast composition • The breast is almost entirely fat • There are scattered fibroflandular densities • The breast tissue is heterogeneously dense • The breast tissue is extremely dense • Findings • Comparison to previous studies • Overall impression(classification category)

  4. 유방촬영 findings • Mass • Calcification • Special cases

  5. A. Mass • Shape • Margin • Density

  6. A. Mass

  7. A. Mass

  8. A. Mass

  9. B. Calcification • Typical benign • Intermediate concern calcification • Amorphous or Indistinct calcifications • Higher probability malignancy • Pleomorphic calcification • Linear branching (Casting) calcification • Fine linear or fine pleomorphicmicrocalcification

  10. C. Special cases • Solitary dilated duct • Intramammary lymph node • Focal asymmetric density

  11. US Indications • 낭종과 고형 종괴의 구분 • 유방 촬영술상 치밀 유방에서 보이지 않지만 만져지는 병변의 검사 • 병변의위치로 인해 유방 촬영술에서 충분이 검사할 수 없는 종괴 • 유방 촬영술상 유방암의 위험도가 높고 치밀유방인 환자에서 숨은 병변을 찾기 위해 • 젊은 여성에서 만져지는 유방 종괴의 검사 • 임산부나 수유부의 일차 검사 • 국소적 유방 통증 및 압통 등의 증상이 있는 환자에서 정확한 원인 규명

  12. 유방 초음파 findings • Mass • Calcifications • Special cases • Vascularity

  13. A. Mass • Shape • Orientation • Margin • Echo pattern • Posterior acoustic features

  14. A. Mass-Shape

  15. A. Mass-Margin

  16. A. Mass-Echo Pattern

  17. A. Mass-Orientation

  18. A. Mass-Posterior Acoustic Features

  19. B. Calcifications • Macrocalcifications • Microcalcifications • Microcalcifications Out of a Mass • Microcalcifications In a Mass

  20. C. Special Cases : Unique diagnosis or finding • Clustered microcysts • Complicated cysts • Mass in or on skin • Foreign body • Lymph node-intramammary • Lymph node-axillary

  21. D. Vascularity Present or not present Present immediately adjacent to lesion Diffusely increased vascularity in surrounding tissue

  22. BIRADS-Assessment Categories • Assessment is Incomplete • Category 0 : Need Additional Imaging Evaluation • Assessment is Complete – Final Categories • Category 1 : Negative • Category 2 : Benign Finding • Category 3 : Probably Benign Finding • Category 4 : Suspicious Abnormality • Category 5 : Highly Suggestive of Malignancy • Category 6 : Known Biopsy-Proven Malignancy