This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ovarian Tumors, Subject name: Gynaecology & Obstetrics
Schiller Duval bodies are a feature of: 
Select and explain. 
A. Arrhenoblastorna, B. Granulosa cell tumour, C. Choriocarcinoma, D. Endodermal sinus tumour
D: Endodermal sinus tumour
Answer: D: Endodermal sinus tumour 
Explanation: Schiller-Duval body Consists of a central capillary surrounded by tumor cells, present within a cystic space, lined by flat to cuboidal tumor cells. When present, pathognomic for Yolk sac tumor( Endodermal sinus tumor), They may be few in number, absent, or have atypical morphologic features.