Breast Flashcards
What are the 3 layers of the mammary gland?
-subcutaneous
-mammary
-retromammary
No true breast lesions are seen in this layer
Subcutaneous
Connective tissue around mammary zone and continuous with cooper’s ligaments
Mammary fascia
What is the functional layer of the breast?
Mammary layer
What is the functional unit of the breast and the site of most major breast pathology?
TDLU
What is the most common benign solid tumor in the breast?
Fibroadenomas
When cells proliferate and retain water
Fibrocystic changes
Obstructed lactiferous duct, retroareolar
Galactocele
Breast inflammation
Mastitis
Name 3 breast malignancy characteristics
-markedly hypoechoic
-taller than wide
-angled margins/spiculations
-heterogenous
-posterior shadowing
-thick echogenic rim or halo
-ductal extensions/branches
-microlobulations
-calcifications
Most common breast carcinoma
Invasive ductal carcinoma
What does a silicone rupture look like on ultrasound?
Intracapsular- step ladder sign
Extracapsular- snowstorm appearance
What is the sonographic appearance of the retromammary layer?
Hypoechoic
Which breast layer contains Cooper’s ligaments?
Subcutaneous
