The patient's head and neck are hyperextended with the top of the skull directly against the image receptor.The central ray enters just below the chin.Which specific projection has been performed?

Question

Quizplus · Accepted Answer

The submentovertical projection is performed with the patient in a hyperextended position with the top of the skull directly against the image receptor. The central ray enters just below the chin. Acanthioparietal projection involves the central ray entering the top of the skull and Parietoacanthial projection enters the patient's forehead. Verticosubmental is not a common radiographic projection.

The Patient's Head and Neck Are Hyperextended with the Top