Breast Flashcards
Most common non proliferative breast lesion
cyst
Most common proliferative breast lesion without atypia?
fibroadenoma
Breast lesion associated with breast pain, frequently bilateral, varies with menstrual cycle, nipple discharge (straw, brown, green)
Cyst
MNGT: breast cyst with severe pain
OCP, Danazol, bromocriptine
Most common cause of unilateral spontaneous blood nipple discharge
intraductal papilloma
Breast lesion associated with trauma
Fat Necrosis
Fat Necrosis pathognomonic on mammogram
oil cysts
risk factor for breast cancer
1. age on 1st pregnancy
2. age on menarche
3. age on menopause
4. years of HRT use
5. years of OCP use
■ nulliparity,
frst pregnancy >30 yr, menarche <12 yr, or menopause >55 yr
■ decreased risk with lactation, early menopause, and early childbirth
■ >5 yr HRT use, >10 yr OCP use
Most common male breast CA
- most commonly invasive ductal carcinoma
Breast investigation used to differentiate solid and cystic mass?
UTZ
Investigation: Nipple discharge
galactogram/ductogram (for nipple discharge): identifes lesions in ducts
Metastatic work up Breast
bone scan, abdominal U/S, CXR (or CT chest/
abdomen/pelvis), CT head
Breast Triple test
breast exam
imaging
biopsy
Breast Imaging >/= 30yo
mammogram and UTZ
Breast imaging <30
UTZ
Needle aspiration is done for what lesion?
palpable cystic lesion
When do you send cystic aspirate for cytology?
If it is blood or cyst does not resolve
BRCA genetic testing considered for
1. age?
2. bilateral cancer age?
3. diagnosed with what cancer?
4. history of what cancer?
- age <35
- bilateral <50
3 breast AND ovarian - strong family history breast and ovarian
- male breast ca
Most common breast CA
invasive ductal CA
Breast CA hard to detect in mammogram
Lobular
ductal carcinoma that invades nipple with scaling, ulceration, erythema, and eczematous lesion
Paget’s Disease of the Breast (1-3%)
most aggressive form of breast cancer
Infammatory Carcinoma (1-3%)
Most common breast sarcoma
phyllodes tumour
