breast cancer Flashcards
common or uncommon
1/8 for women and 1./100 for men. More commonly benign than malignant
RFs?
- increased age
- early menopause
- late menarche
- obese
- smoker
- FHx BRCA1 2
- not breast feeding
- long oestrogen exposure from long periods
PC
firm painless breast lump +/- discharge orange peel/pitting bleeding ulcers redness (breast pain cyclical or non cyclical?)
screening?
every 3 yrs 50-70 mammogram
MRI if very high risk
pathology? type of cancer
adenocarcinoma common - lobular or ductal
triple assessment?
Hx and Ex (E1-E5)
fine needle aspiration - cytology (C1-C5)
Radiology (R1-R5)
graded from benign to making
if suspicious - SLN?
sentinel lymph node biopsy - typical spread peri clav and axillary - radio active + blue dye - able to excise in surgery
typical spread?
lungs, liver, bones
staging? assess spread?
CXR, bone scan, FBC, U+Es, LFTs
microscopic spread is common
poor prog factors
young
large primary
tumour is oestrogen or progesterone receptor negative
(+) SLN
tx?
early stage - surgery with axillary node clearance with breast conservation or mastectomy (tumour <4cm)
axillary clearance if SLN (+)
complications of axillary clearance
oedema, neuro - long thoracic nerve
micromets tx?
hormones: oestrogen + progesterone receptor (+)
- aim to decrease oestrogen activity
- pre menopausal: tamoxifen
- post menopausal: aromatase inhibitors
anti-Her2 therapy?
trastuzumab - monoclonal Ab against her-2 receptor