This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pathologic Calcification, Subject name: Pathology
True about Psammoma bodies are all except - 
Select and explain. 
A. Seen in meningioma, B. Concentric wrhorled appearance, C. Contains Calcium deposits, D. Seen in teratoma
D: Seen in teratoma
Answer: D: Seen in teratoma 
Explanation: Ans. is 'd' i.e., Seen in teratoma o Psammoma bodies represent a process of dystrophic calcification. Thev are concentric laminated calcified spheres,o Single necrotic cells may constitute seed crystals that become encrusted by the mineral deposits. The progressive acquisition of outer layers may create lamellated configurations, called psammoma bodies because of their resemblance to grains of sand.Psammoma bodies are seen in :-o Papillary carcinoma of thyroid,o Renal cell carcinoma,o Serous cystadenoma of ovary.o Meningiomao Malignant mesotheliomao Somatostatinomao Prolactinomao Endometrial papillary serous cystadenocarcinoma.