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: Radiology
[{'content': 'Which  is  the  most  characteristic  and  diagnostic  radiographic  finding  associated  with  a \ncalcifying epithelial odontogenic tumor? \nSelect and explain. \nA. Wispy ill-defined septa, B. Perforation of cortical bone, C. Radiopaque toothlike denticles, D. Radiopacities close to crown of embedded tooth', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The internal aspect may appear unilocular or multilocular with numerous scattered, radiopaque foci of varying size and density. Some radiopaque elements may have a crescent shape or a doughnut shape with a radiolucent center. The most\xa0characteristic and diagnostic finding is the appearance of\xa0radiopacities close to the crown of the embedded tooth. In addition, small, thin, opaque trabeculae\xa0 may cross the radiolucency in many directions.\nOral radiology White and Pharaoh; 7th ed. Page no 369,370', 'role': 'assistant'}]