CT-guided paramaxillary glossopharyngeal nerve block: A novel and potentially safer approach for diagnostic confirmation and temporary treatment of glossopharyngeal neuralgia.

The glossopharyngeal nerve block is an interventional technique utilized for head and neck pain management in the setting of glossopharyngeal neuralgia, dental procedures, awake endotracheal intubations, and post-pharyngeal surgery. This procedure is traditionally performed with landmark technique or ultrasound-guided techniques, all of which are associated with potential risks and complications for the patient. We report the novel technique of a CT-guided paramaxillary approach glossopharyngeal nerve block, which has not been previously reported, eliminates the trans-parotid trajectory, and reduces potential risks and complications associated with other established techniques, particularly those related to the parotid gland, including intraparotid facial nerve injury.