Tumor Markers Flashcards
1
Q
PPV of CA-125 for ovarian cancer
A
- 10% premenopausal
- 50% postmenopausal
2
Q
Sensitivity of CA-125 by stage
A
Stage 1: 50%
Stage III-IV: 98%
3
Q
Percent patients with ovarian cancer and elevated CA-19-9
A
20%
4
Q
Role of HE4
A
HE4 distinguishes CA-125 from endometriosis
5
Q
Way to distinguish pituitary hCG
A
2-3 months of OCPs > hCG no longer positive