• Shoji Kikui, Jun-Ichi Miyahara, Hanako Sugiyama, Yoshihiro Kashiwaya, and Takao Takeshima.
• Department of Neurology and Headache center, Tominaga hospital.
• Brain Nerve. 2016 Aug 1; 68 (8): 951-5.

AbstractA 43-year-old man presented with severe, saw-tooth pattern pain around the right eye that started with conjunctival injection, lacrimation and nasal discharge, lasting for about 1 hour, 4 months after the initial onset of lancinating pain in the same area. The patient was diagnosed with SUNCT (short-lasting unilateral neuralgiform headache attacks with conjunctival injection and tearing) according to the International Classification of Headache Disorders 3rd edition (beta version). The symptoms improved in 2 months but recurred 6 months later. He developed a toxic eruption after receiving a variety of antiepileptic agents including lamotrigine, which suggested refractory SUNCT. Head magnetic resonance imaging (MRI) showed neurovascular compression (NVC) involving the right trigeminal nerve. Microvascular decompression (MVD) was performed, and the pain was relieved postoperatively. MVD should be considered when treating refractory SUNCT because NVC may be involved in some cases. (Received February 29, 2016; Accepted April 4, 2016; Published August 1, 2016).

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