Matsumoto S, Kishikawa T, Kudo S, Matsuo Y, Totoki T, Harano K
Department of Radiology, Saga Medical School.
Nihon Igaku Hoshasen Gakkai Zasshi. 1991 Jan 25;51(1):91-3.
Seventeen patients with idiopathic trigeminal neuralgia (ITN) and seven subjects of control group were evaluated with magnetic resonance imaging (MRI). Vascular contact at the proximal portion of the preganglionic segment (PGS) of the trigeminal nerve was observed in 100% of ITN on the affected side, 76% of ITN on the non-affected side, and 21% of control group. Deformity of the PGS was observed in 65% of ITN on the affected side, and in none of ITN on the non-affected side or control group. Non-surgical treatments were effective in all of the 6 patients without deformed PGS, but they failed to control trigeminal neuralgia in 4 of 11 patients with deformed PGS. This preliminary study suggests that MRI could be used for the clinical assessment of trigeminal neuralgia before treatment.
对17例特发性三叉神经痛（ITN）患者和7例对照组受试者进行了磁共振成像（MRI）评估。在患侧，100%的ITN患者三叉神经节前段（PGS）近端存在血管压迫；在非患侧，76%的ITN患者存在血管压迫，而对照组中这一比例为21%。患侧65%的ITN患者PGS存在畸形，非患侧ITN患者及对照组均未观察到PGS畸形。6例PGS未畸形的患者经非手术治疗均有效，但11例PGS畸形的患者中有4例非手术治疗未能控制三叉神经痛。这项初步研究表明，MRI可用于三叉神经痛治疗前的临床评估。
