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: Pathology
Schiller - Duval bodies are seen in - 
Select and explain. 
A. Teratoma, B. Seminoma, C. Yolk sac tumour, D. Chorio Carcinoma
C: Yolk sac tumour
Answer: C: Yolk sac tumour 
Explanation: It is the characteristics feature of yolk sac tumor ( endodermal sinus). This is a glomerulus like structure composed of central blood vessel enveloped by germ cell within a space lined by germ cell