Fig. 7.

a) Axial CT bone reformat through skull base b) coronal CT bone reformat of left mandible in a 50-year-old male with HPT-JT and extensive hyperparathyroid bone disease. There is a ‘salt and pepper’ appearance to the skull base secondary to trabecular bone reabsorption. Subperiosteal bone reabsorption of the lamina dura gives a floating appearance to a left lower molar tooth (b). There has been substantial maxillary bone loss and loss of the upper left dentition