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
Psammoma bodies are seen in all except: 
Select and explain. 
A. Follicular Ca thyroid, B. Papillary Ca thyroid, C. Serous cystadenoma of ovary, D. Meningioma
A: Follicular Ca thyroid
Answer: A: Follicular Ca thyroid 
Explanation: Follicular Ca thyroid