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': '“Call-Exner bodies” are seen in \nSelect and explain. \nA. Yolk sac tumor, B. Granulosa cell tumor, C. Hilus cell tumor, D. Brenner tumor', 'role': 'user'}, {'content': 'Answer: B \nExplanation: GRANULOSA CELL TUMOR\n■ It is a sex cord stromal tumor that occurs at any age but most common\\y in postmenopausal woman (2/3rd).\n■ It is a virilizing tumor, produces estrogen, causing precocious puberty in prepubertal girls and endometrial hyperplasia, cystic disease of breast and endometrial carcinoma.\n■ These are potentially malignant tumors.\n■ The tumor cells are arranged in sheets punctuated by small follicle like structures filled with an acidophilic material, known as Call-Exner bodies. Classification of Ovarian Tumors', 'role': 'assistant'}]