Inflammatory disorders
This bacterium can cause a local infection of the nipple when breastfeeding.
Staphylococcus aureus
What is the most common benign tumor of the female breast?
Fibroadenoma
What are the three molecular classifications of breast carcinomas?
Luminal, HER2-enriched, and Basal-like
T or F: The risk of malignancy with discharge increases with age?
True
Tumor staging for breast carcinoma is based on what?
Size of tumor
What lesion is also called a subareolar mass or periductal mastitis?
Squamous metaplasia of lactiferous ducts
In what scenario is adenosis normal in the breast?
It is normal in pregnancy
Which carcinoma is associated with the loss of E-cadherin?
Lobular carcinoma in situ
Which lesion has a MED12 mutation and is characterized as having leaf life projections?
Phyllodes tumor
A patient has a tumor that is 6mm in greatest dimension. What is the stage?
T1b
What is the treatment for granulomatous mastitis?
antibiotics or sometimes steroids
Which benign lesions have components of adenosis, papilloma, and epithelial hyperplasia?
Complex sclerosing lesion
Which mutation is more closely associated with Male breast carcinoma?
BRCA2
Which tumor is most likely to arise in association with breast implants?
T-cell lymphoma
A patient has an invasive breast tumor measuring 3.5 cm with involvement of the chest wall. What is the T stage?
T4
The name of a palpable periareolar mass often associated with thick white nipple secretions seen in the 5th or 6th decade of multiparous women
Duct ectasia
These two histological findings are classic components of fibrocystic changes and can produce a palpable breast mass.
Cyst and fibrosis
What is the most common site of breast carcinomas?
Upper outer quadrant
What cell types make up the ducts and lobules of the breast?
luminal epithelial cells and myoepitheial cells
What is the requirement for a T3 stage?
Tumor >50 mm in greatest dimension
This benign stromal mass can be mistaken for carcinoma because it produces a firm, irregular mass following trauma. What is the lesion?
Fat necrosis
This benign breast lesion is characterized by fibrovascular cores histologically and commonly presents with spontaneous bloody nipple discharge.
Intraductal papilloma
Once malignant ductal cells invade through the basement membrane into the surrounding stroma, the diagnosis changes from what to what?
Ductal carcinoma in situ to invasive ductal carcinoma
A 40-year-old is seen for a mass in the stroma of the breast as a complication of the radiation therapy she received 5 years ago. What is the most likely diagnosis?
Angiosarcoma
A breast tumor measures 4.5 cm without chest-wall or skin involvement. What is the correct stage for this tumor?
T2