Tumor Markers Flashcards

1
Q

PPV of CA-125 for ovarian cancer

A
  • 10% premenopausal

- 50% postmenopausal

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2
Q

Sensitivity of CA-125 by stage

A

Stage 1: 50%

Stage III-IV: 98%

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3
Q

Percent patients with ovarian cancer and elevated CA-19-9

A

20%

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4
Q

Role of HE4

A

HE4 distinguishes CA-125 from endometriosis

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5
Q

Way to distinguish pituitary hCG

A

2-3 months of OCPs > hCG no longer positive

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