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
[{'content': 'Biopsy of a specimen shows Psammoma bodies. It is seen in all of the following conditions, EXCEPT: \nSelect and explain. \nA. Follicular Ca thyroid, B. Papillary Ca thyroid, C. Serous cystadenoma of ovary, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Psammoma bodies are round, laminated, non refractile calcifications. They are seen in, Meningiomas Papillary thyroid carcinoma Serous carcinomas of the ovary Melanotic schwannoma Ref: Lee G.A., Masharani U. (2012). Chapter 42. Disorders of the Thyroid Gland. In A.K. Lalwani (Ed), CURRENT Diagnosis & Treatment in Otolaryngology--Head & Neck Surgery, 3e.', 'role': 'assistant'}]