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: Radiology
Maximum radio opaque shadow in ovary is seen in 
Select and explain. 
A. Teratoma, B. Dysgerminoma, C. Mucinous cystadenoma, D. Granulosa cell tumor
A: Teratoma
Answer: A: Teratoma 
Explanation: A i.e. Teratoma In teratoma, there may be presence of tooth & other calcified bodies giving rise to radio-opaque shadows.