Figure 8.
Primary intraosseous carcinoma-NOS arising from a keratinized odontogenic cyst. A) Cropped panoramic radiograph showing ill-defined radiolucency in the left mandibular ramus (arrows). B) Low power shows the architectural features of a cyst (H&E; x200). C) Higher powers show an invasive component with dyskeratosis (H&E; x200). D) The invasive component with cytologic features of malignancy (H&E; 400).
