P 117 Symptomatic trigeminal neuralgia (TN) – an electrophysiological case study

While idiopathic TN is associated with some delay in P19 response of the cortical trigeminal somatosensory evoked potential (T-SEP) in up to 50 % of patients, the blink reflex (BR) evoked by stimulation of the supraorbital nerve is usually not involved. We present a case of symptomatic TN in which the combination of electrophysiological findings was remarkable.

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