Trigeminal neuropathic pain as a complication of anterior temporal lobectomy: report of 2 cases.

Cranial nerve (CN) deficits following anterior temporal lobectomy (ATL) are an uncommon but well-recognized complication. The usual CNs implicated in post-ATL complications include the oculomotor, trochlear, and facial nerves. To the authors' knowledge, injury to the trigeminal nerve leading to neuropathic pain has not been previously described in the literature. This paper presents 2 cases of trigeminal neuropathic pain following temporal lobe resections for pharmacoresistant epilepsy. The possible pathophysiological mechanisms are discussed and the microsurgical anatomy of surgically relevant structures is reviewed.