Malignant Transformation of Temporal Bone Schneiderian Papilloma Associated with HPV-6

Figure 4

Axial view of temporal CT 5 months after the initial surgery showing complete opacification and massive bone erosion of the middle ear and mastoid on the right side indicating an extended soft tissue mass adjacent to the carotid canal (red arrow) and jugular bulb (blue arrow) and partially obliterating the temporal mandibular joint.