Oncology Flashcards
How is Breast CA usually found
ASx women on screening mamography
Palpation of mass by pt or doctor
Features of Breast CA mass
Palpable
Hard
Possible retraction of nipple
Painless
Best initial test for breast CA
Bx
Best method to Bx breast CA
FNA
What is the upside of doing core needle bx for breast CA
Can test for ER, PR, Her2/neu
Most accurate dx test for breast CA
Open Bx
When is mammography indicated
Screen for breast CA in gen pop starting at 50
Why do mammography in pt who is already undergoing FNA for a mass
5-10% have b/l disease
When to do U/S in breast CA
Clinically indeterminant mass
- Painful
- Varies in size and pain during menses
When to do a PET in breast CA
Determine content of abnormal LNs not accessble to bx
What is BRCA associated w/
Increased risk of breast CA in families
Ovarian CA
Does BRCA testing aid in mortality reduction
No
Who gets sentinel node bx
All pts at time of lumpectomy or mastectomy
Why do sentinal node Bx
Neg eliminates need for axillary dissection
Who gets ER, PR testing
All pts
When is hormone manipulation therapy done in breast CA
When ER or PR is positive
What is the role of localized radiation in breast CA
Prevent recurrence
What do all ER or PR positive pts receive
Tamoxifen, raloxifene or an aromatase inhibitor
Which hormonal manipulation drug is most likely to benefit a breast CA pt
Aromatase inhibitors
Tamoxifen AE
Endometrial CA
Clots
Aromatase inhibitor AE
Osteoporosis
When is trastuzumab (herceptin) given
Her2/neu positive
Reduces risk of recurrent disease