Breast Flashcards
ducts and lobules are lined by ___ and ___ cell layers
luminal
myoepithelial
acute mastitis due to ___ ___
s aureus
periductal mastitis
associated with smokers
(due to squamous metaplasia)
green/brown nipple discharge
plasma cells in biopsy
mammary duct ectasia
Ex. Premenopausal woman with lumpy, “blue dome” appearing breast tissue
fibrocystic change
Ex. Premenopausal woman with bloody nipple discharge WITH myoepithelial cells on biopsy
intraductal papilloma
(carcinoma is WITHOUT myoepithelial cells on biopsy)
fibroadenoma relevance
NO risk for cancer
“leaf-like projection” on biopsy
phyllodes tumor
breast cancer prevalence
2nd most common mortality (lung)
most common cancer
necrosis and dystrophic calcification in the center of the ducts
DCIS
IDC presents as what?
mass with skin dimpling/retraction
duct-like structures in desmoplastic stroma on histology
IDC
myoepitheal cells are ___ in carcinoma
absent
inflammatory carcinoma (IDC)
carcinoma in dermal lymphatics
poor prognosis
inflammatory carcinoma (IDC) presents as what? (can be confused with what)
inflamed breast (appears as mastitis, but no improvement with AB)