This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Dysgerminoma is 
Select and explain. 
A. Epithelial ovarian tumor, B. Sex cord stromal tumor, C. Germ cell tumor, D. Metastatic ovarian tumor
C: Germ cell tumor
Answer: C: Germ cell tumor 
Explanation: Dysgerminoma is germ cell tumor of ovary.