Oncology Flashcards
breast cancer screening with mammography begins at what age?
50
breast cancer screening with mammography is not routinely indicated at what age?
75
if a mammogram shows an abnormality, next step?
biopsy
what is the “sentinel node” in a sentinel node biopsy?
the FIRST node where the tracer goes
if sentinel node is FREE of cancer, then?
axillary node dissection is NOT necessary
if sentinel node HAS cancer, then?
axillary lymph node dissection
should BRCA genetic testing routinely be done?
NO
BRCA is associated with?
increased risk of familial breast cancer and ovarian cancer
best INITIAL treatment for breast cancer
lumpectomy WITH radiation
when should primary preventive treatment of breast cancer be given, at what age, and what should be given?
- multiple first-degree relatives with breast cancer
- age 40
- tamoxifen
treatment for estrogen receptor + or progesterone receptor + breast cancer
tamoxifen, or raloxifene
adverse effects of tamoxifen (3)
- DVT
- hot flashes
- endometrial cancer
MOA of aromatase inhibitors (anastrozole, letrozole, exemestane)
pure estrogen antagonists
adverse effect of aromatase inhibitors (anastrozole, letrozole, exemestane)
osteoporosis
when should adjuvant chemotherapy be given in breast cancer?
- cancer in axilla
- cancer larger than 1cm
- patient is still menstruating
trastuzumab MOA
monoclonal Ab against HER-2/NEU
when do you use trastuzumab?
metastatic breast cancer
colon cancer treatment
surgical resection and 5-FU
colon cancer screening: routine
- colonoscopy starting at age 50
- every 10 years