8: Breast Diagnostic Imaging Flashcards
What are the limitations to US?
Typically cannot show calcifications.
uses magnetic fields for imaging.
MRI (must be enhanced with gadolinium contrast)
When would you use a tomosynthesis over a mammogram?
When breast tissue is dense
What are the limitations to MRI?
Expensive. Limited to specific indications. High rate of false-positive results.
Uses sound waves for imaging.
Ultrasound
What are the limitations to tomosynthesis?
Slight increase in radiation exposure vs mammogram. Takes twice as long to read.
A tomosynthesis is best for detecting what?
Architectural distortion
Masses
Calcifications
IN DENSE BREAST TISSUE
Uses x-rays for imaging.
Mammogram
Tomosynthesis
An US is best for detecting what?
Differentiation of solid and cystic masses
What are the limitations to a mammogram?
Cannot show if mass is solid or cystic.
A mammogram is best for detecting what?
Calcifications
Masses
Architectural distortion
An MRI is best for detecting what?
Tissue with increased blood flow (tumors)
