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: Orthopaedics
[{'content': 'True about Ameloblastoma -a) Cystic lesionb) Rapidly growingc) Malignant diseased) MC site is Tibiae) Presented in children \nSelect and explain. \nA. ae, B. b, C. ab, D. ad', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Most common site of ameloblastoma is jaw (mandible).\nMost common site of ameloblastoma of long bones (i.e., adamantinoma) is Tibial diaphysis.\nAdamantinoma is a slow growing benign tumor.\nTibial diaphysis is the most common site.\nWell demarcated lytic (cystic) or mixed lytic/sclerotic lesion involving the cortex.', 'role': 'assistant'}]