This procedure involves an excision of the Gasserian ganglion and its roots to relieve trigeminal neuralgia.

He also introduced the practice of injecting alcohol into the Gasserian ganglion in the treatment of trigeminal neuralgia.

It is, "therefore widely accepted that trigeminal neuralgia is associated with demyelination of axons in the Gasserian ganglion, the dorsal root, or both."

Gasserian ganglion stimulation is stimulation of the gasserian ganglion with electric pulses from a small generator implanted beneath the skin.