Ob-Gyn Brainscape Flashcards - CORE OB Gyn Cases

Question 1

What is the best u/s parameter for est. gest age?

Answer 1

before embryo seen: gest sac diam; up-to 11/12 wks: crown-rump; after 11-12: BPD. Later combined computer calc’d

Question 2

What ectopic pts qualify for MTX tx?

Answer 2

tubal mass of emb <4cm; no HR; no hemoperitoneum; hemodyn stable w/o sev pain; w/o contraindications to MTX

Question 3

Diagnostic breast imaging by age?

Answer 3

<30: u/s; 30-39: either; 40+: mammo

Question 4

approach to screening for pts w/ high risk for BrCA with mammo and MRI.

Answer 4

start screening at 10 years before dx in 1st degree relative or 40 y/o whichever is earlier; consider MRI

Question 5

BIRADS categories and implications for pt mgmt

Answer 5

0 - incomplete, awaiting add’l views; 1 - normal (risk 5:10k); 2 - benign finding (risk 5:10k); 3 - probs benign (short interval f/u needed; risk < 2%); 4 - suspicious for malig (needs bx; risk: 2-10% in 4a, 10-15% in 4b and 50-095% in 4c; 5- highly suspicious (needs bx, risk 75-99%); 6 - known malig

Question 6

What is the nl doubnle thickness of endometrium width?

Answer 6

If a patient is not taking hormone replacement therapy (HRT), it should be <5mm. Up to 8mm maybe seen in patients on HRT.

Question 7

SoC for cerv ca staging?

Answer 7

MRI (90% accuracy vs. 60% w/ CT)