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: Surgery
[{'content': "Van Buchem's syndrome is characterized by all except \nSelect and explain. \nA. Overgrowth, B. Distrotion of mandible, C. Facial Palsy, D. Increased acid phosphatase", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Distoion of mandible Van Buchem's disease is a rare hereditary disorder of the skeletal system that is characterized by progressive osteosclerosis paicularly in the skull & mandible. Consequence of increased bone mass usually include facial distoions and compression of cranial nerves (which may lead to deafness & blindness).", 'role': 'assistant'}]