Previously used terms:
Atypical trigeminal neuralgia; trigeminal neuralgia type 2.
Trigeminal neuralgia with persistent background facial pain.
A. Recurrent attacks of unilateral facial pain fulfilling criteria for 13.1.1 Classical trigeminal neuralgia
B. Persistent facial pain of moderate intensity in the affected area
C. Not better accounted for by another ICHD-3 diagnosis.
18.104.22.168 Classical trigeminal neuralgia with concomitant persistent facial pain has been referred to as atypical trigeminal neuralgia or, recently, as trigeminal neuralgia type 2.
Central sensitization may account for the persistent facial pain. Neurovascular compression on MRI is less likely to be demonstrated. 22.214.171.124 Classical trigeminal neuralgia with concomitant persistent facial pain responds poorly to conservative treatment and to neurosurgical interventions. It is less likely to be triggered by innocuous stimuli.