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Sample Teaching Cases

Breast Imaging

Mammography, magnetic resonance imaging, and ultrasonogrphy are the three primary modalities employed in diagnostic imaging of the breasts.

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Questions

1. What feature of this lesion suggests the diagnosis?

  1. Adipose tissue
  2. Coarse calcifications
  3. Poor definition of posterior wall
  4. Size of mass
  5. Unable to determine from provided images

2. What BIRADS classification should be rendered?

  1. BIRADS 2
  2. BIRADS 3
  3. BIRADS 4
  4. BIRADS 5
Diagnosis

Fibroadenolipoma (hamartoma)

Findings

Mediolateral oblique (MLO) and craniocaudal (CC) images of the right breast demonstrate a well-marginated mass, containing soft tissue and adipose components.

Answers
  1. What feature of this lesion suggests the diagnosis?
    1. Adipose tissue
    2. Coarse calcifications
    3. Poor definition of posterior wall
    4. Size of mass
    5. Unable to determine from provided images

The identification of a well-marginated, encapsulated mass by mammography that contains both fat and soft tissue density is typical of a fibroadenolipoma (hamartoma).

  1. 2. What BIRADS classification should be rendered? 
    1. BIRADS 2
    2. BIRADS 3
    3. BIRADS 4
    4. BIRADS 5

Fat-containing breast lesions are considered benign; therefore, a fibroadenolipoma would be assigned a BIRADS 2 classification and routine mammographic screening in one year would continue.

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The USA Teaching Cases in Breast Imaging are contained in our USA Radiology Teaching Case Library.

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For access to the USA Radiology Teaching Case Library and the USA Radiology eClassroom, visit our eCampus at USAonline.

USA faculty, residents, and students can obtain access by contacting Dr. McQuiston. 

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