Breast Cancer Tumors Flashcards
Most common tumor in women under 25
fibroadenoma
Most common breast mass in postmenopausal women
invasive ductal carcinoma
Most common breast mass in premenopausal women
fibrocystic change of the breast
Most common form of breast cancer
invasive ductal
Small, mobile, firm mass with sharp edges in 20 year old woman
fibroadenoma
Histological “leaflike projections”
filloides tumor
Signet ring cells
lobular carcinoma in situ, invasive lobular carcinoma
Loss of e-cadherin cell adhesion gene on chromosome 16
invasive lobular carcinoma
Always ER+ and PR+
lobular carc in situ
Commonly presents with nipple discharge
intraductal papilloma
Eczematous patches on nipple
Paget’s disease
Multiple bilateral fluid-filled lesions with diffuse breast pain
fibrocystic change of the breast
firm, fibrous mass in a 55 year old woman
invasive ductal carcinoma