8: Breast Diagnostic Imaging Flashcards
(12 cards)
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)