Breast Flashcards
Most common breast implant
Single-Lumen silicone implant
Refers to the posterior superior displacement of the implant with simultaneous anterior traction of the breast
Eklund Procedure
In mammography:
Silicone implant = Dense
Saline implant = Lucent
True or False
True
Most common implant complication
Capsular Contraction
-highest incidence in subglandular location
-lowest in textured submuscular location
Silicone Implant Rupture:
Extrusion of silicone gel outside the envelope and fibrous capsule
Extracapsular
Silicone Implant Rupture:
Extrusion of silicone gel outside the envelope with INTACT fibrous capsule
Intracapsular
Silicone Implant Rupture:
Leaking of silicone gel through an intact implant envelope
Gel Bleed
Most specific sign for INTRAcapsular implant rupture
Linguine Sign
Silicone Implant Rupture:
Snowstorm or echodense noise, silicone outside the envelope
EXTRAcapsular Implant Rupture
Background Parenchymal Enhancement is lowest at what period post menstrual cycle?
7-14 Days
Highest: 4 weeks post menses (just before the next cycle?
Factors that can decrease BPE?
- Aromatase inhibitors
- Breast conservation/radiation
- Post-menopausal
Contrast enhancement of breast tissue during lactation
Fast or medium initial enhancement with overall peak less that that of other breast lesions
Pattern of enhancement:
Slow initial with persistent late phase enhancement
Fibrocystic Change of the Breast and
Background Parenchymal Enhancement
Pattern of enhancement:
Fast, avid initial enhancement with plateau or washout on late phase enhancement
Intramammary Lymph Node
Proliferation of intraductal epithelium with central fibroglandular stalk. Cause SEROUS or BLOODY nipple discharge.
Intraductal Papilloma
Enhancement pattern:
Initial = Fast/medium
Late phase = washout/plateau
Avidly enhancecing mass at the posterior end of a fluid-filled duct
Intraductal Papilloma
Most common Breast Cancer
Invasive Ductal Carcinoma
Enhancing tumor expanding a duct simulating a String of Pearl or Cobblestone appearance.
Periductal enhancement shows TRAM-TRACK or CLUSTERED RING appeance
Ductal Carcinoma In-Situ
Most common type of metaplastic breast Ca?
Squamous Cell Carcinoma
Fat-Fluid Level in mammography
Galactocele
BIRADS Category of Amorphous and Fine Pleomorphic Calcifications
4B
BIRADS Category of Fine Linear or Fine Linear Branching Calcifications
4C
BIRADS Category Linear or Segmental Calcifications
4C
BIRADS Category of Regional or Grouped Calcifications
4B
Pattern of calcific distribution that is most likely MALIGNANT
Segmental (62%)
