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