This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecological oncology, Subject name: Gynaecology & Obstetrics
Which is not a germ cell tumour 
Select and explain. 
A. Dysgerminoma, B. Teratoma, C. Granulosa theca cell tumour, D. Embryonal cell carcinoma
C: Granulosa theca cell tumour
Answer: C: Granulosa theca cell tumour 
Explanation: Epithelial Ovarian Tumour Histologic typeSerousMucinousEndometroidClear cell" mesonephroid BrennerMixed epithelial Undifferentiated UnclassifiedCellular type Endosal pineal Endocervical Endometrial Mullerian TransitionalMixedAnaplastic Mesothelioma etc.