A Case of Pupil-Sparing Oculomotor Nerve Palsy due to Midbrain Infarction in Diabetic Patient

J Korean Neurol Assoc > Volume 14(1); 1996 > Article

Journal of the Korean Neurological Association 1996;14(1): 310-314.

당뇨병 환자에서 중뇌경색으로 인한 동공이 보존된 동안 신경 마비 1례

양광익, 박천택, 박형국, 신현길, 성기범

순천향대학교 의과대학 신경과학교실

A Case of Pupil-Sparing Oculomotor Nerve Palsy due to Midbrain Infarction in Diabetic Patient

Kwang-Ik Yang, Chun-Taek Park, Hyung-Kook Park, Hyun-Kil Shin, Ki-Bum Sung

Department of Neurology, College of Medicine, Soonchunhyang University

Abstract

Background : In general, vasculopathic oculomotor nerve palsy with pupil-sparing implied a lesion in the subarachnoid space or the cavernous sinus; however, it has been reported that similar findings can be produced by fascicular lesion. Case : A 48-year-old woman with diabetes mellitus complained of diplopia and right ptosis. Examination revealed a complete oculomotor nerve palsy of the right eye with sparing of the pupil. The MRI revealed a infarction in the fascicular portion of the oculomotor nerve. Conclusion : It is emphasized that the intraaxial lesion should be ruled out using the sophisticated study in patients with pupil-sparing vasculopathic oculomotor nerve palsy.