Syndrome of extreme facial pain
in the absence of numbness
or other objective findings, characterized by paroxysms of sharp stabbing pain in one of the divisions of the trigeminal nerve
Onset in mid->latter life, slighty greater f>m. Between paroxysms patient is pain free, paroxysm may last 15 min or more, many times/day. Trigger zone when stimulated sets off a paroxysm. Rarely bilateral.