Gynecology Book

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Mammogram Interpretation

Aka: Mammogram Interpretation, Mammography Interpretation, BI-RADS, Breast Imaging Reporting and Data System
  1. See Also
    1. Breast Cancer Screening
    2. Mammogram
    3. Breast Mass
  2. Grading: BI-RADS (Breast Imaging Reporting and Data System) for Mammograms and Breast Ultrasound
    1. Category 0: Incomplete Imaging (additional imaging recommended)
    2. Category 1: Negative findings (no Breast lesions identified)
    3. Category 2: Benign findings
    4. Category 3: Indeterminate, probably benign findings (<2% cancer risk)
    5. Category 4: Suspicious for malignancy
    6. Category 5: Highly suggestive of malignancy
    7. Category 6: Biopsy proven malignancy
  3. Interpretation: Benign Mammogram Findings
    1. Intramammary lymph node
      1. Smooth walled mass within the Breast tissue
      2. Lucent center
      3. Usually Mammogram repeated in 6 months
    2. Smooth walled mass
      1. Associated with cyst or fibroadenoma
      2. Evaluate with breast Ultrasound
    3. Scattered Microcalcifications
      1. Bilateral shot-gun like appearance
      2. Usually smooth, round with little density variation
      3. Not clustered
      4. Associated with:
        1. Benign fibrocystic change
        2. Sclerosing adenosis
  4. Interpretation: Worrisome Mammogram findings suggesting Breast Cancer
    1. Mass with irregular borders
      1. Highly suggestive of carcinoma
    2. Clustered Microcalcifications
      1. Five calcifications in 1 cm area needs evaluation
    3. Spiculated Density
      1. Highly suggestive of Breast Cancer
  5. Management: Initial Work-Up of Mammographic Abnormality
    1. Studies
      1. Diagnostic Mammogram
        1. Cone Compression View
        2. Magnification View
      2. Breast Ultrasound
      3. Stereotactic Breast Biopsy
    2. Algorithm based on Findings
      1. Simple Cyst
        1. Reassure
      2. Solid or atypical
        1. See Breast Mass
        2. Category 2 (Benign)
          1. Re-image with Mammogram in 6 months
        3. Category 3 (Indeterminate)
          1. Image guided Breast biopsy
            1. Ultrasound guided Breast biopsy
            2. Stereotactic Breast biopsy
          2. Surgical Breast Biopsy
            1. Needle Localization

Breast Imaging Reporting and Data System (C1511314)

Definition (NCI_NCI-GLOSS) A method used by radiologists to interpret and report in a standardized manner the results of mammography, ultrasound, and MRI used in breast cancer screening and diagnosis.
Definition (NCI) The Breast Imaging Reporting and Data System (BI-RADS) Atlas is a quality assurance guide to standardize breast-imaging reporting and to facilitate outcome monitoring. The atlas contains a guide to standardized mammographic reporting, including a breast-imaging lexicon of terminology, a report organization and assessment structure and coding system.
Concepts Diagnostic Procedure (T060)
English BIRAD, Breast Imaging Reporting and Data System, Breast Imaging Reporting and Data System Atlas, BI-RADS, Mammogram, BIRAD
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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