<prompt> Internal appearance of the lesion can be determined by the term:DiscoidCircularPedunculatedMixed density  <response>: The internal appearance of a lesion can be classified into one of three basic categories:Totally radiolucentTotally radiopaqueMixed radiolucent and radiopaque mixed density.A totally radiolucent interior is common in cysts, and a totally radiopaque interior is observed in osteomas. The mixed density internal structure is seen as the presence of calcified structures white against a radiolucent black backdrop.Oral radiology White Pharaoh 7th edition: page no 277 