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
True about Ameloblastoma -a) Cystic lesionb) Rapidly growingc) Malignant diseased) MC site is Tibiae) Presented in children 
Select and explain. 
A. ae, B. b, C. ab, D. ad
A: ae
Answer: A: ae 
Explanation: Most common site of ameloblastoma is jaw (mandible).
Most common site of ameloblastoma of long bones (i.e., adamantinoma) is Tibial diaphysis.
Adamantinoma is a slow growing benign tumor.
Tibial diaphysis is the most common site.
Well demarcated lytic (cystic) or mixed lytic/sclerotic lesion involving the cortex.