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OBG · Gynaecological oncology: granulosa cell tumour
Sample itemA postmenopausal woman has bleeding, an ovarian mass and endometrial hyperplasia. Histology shows Call-Exner bodies. Which marker is useful for follow-up?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Inhibin
Granulosa cell tumours secrete oestrogen, causing endometrial hyperplasia and cancer, and inhibin (and AMH), which is a useful marker. Call-Exner bodies are small follicle-like spaces with a rosette pattern. They can recur late.
Option by option
A. Inhibin (correct)
Correct. Inhibin is the characteristic marker.
B. CA-125
CA-125 is for epithelial tumours.
C. LDH
LDH is for dysgerminoma.
D. AFP
AFP is for yolk sac tumours.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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