BI RADS breast imaging reporting and data system

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

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)

유방촬영 findings Mass Calcification Special cases

A. Mass Shape Margin Density

A. Mass

A. Mass

A. Mass

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

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

유방 초음파 findings Mass Calcifications Special cases Vascularity

A. Mass Shape Orientation Margin Echo pattern Posterior acoustic features

A. Mass-Shape

A. Mass-Margin

A. Mass-Echo Pattern

A. Mass-Orientation

A. Mass. Posterior Acoustic Features

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

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

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

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