This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Gynae), Subject name: Gynaecology & Obstetrics
[{'content': 'Granulosa cell tumour secretes: \nSelect and explain. \nA. Progesterone, B. Oestrogen, C. hCG, D. Calcitonin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (Oestrogens): Ref: 362-S (339-40-S14th)GRANULOSA CELL TUMOURS* Common in women over 40 years in 80%* The main clinical features depends upon the oestrogenic activity of the tumour and only the larger ones causes pain and abdominal swelling, Feminizing tumours secrete oestrogens* Call - Exner bodies (arrangement of the cells into "rosettes ")* Most granulosa cell tumours are encapsulated and appear to be clinically benign* Strong evidence that association of carcinoma of the endometrium with granulosa cell tumours. Theca cell tumours more commonly involved* Androgens are elevated in Arrhenoblastoma* HCG elevated in Theca lutein cyst, Malignant teratoma', 'role': 'assistant'}]