Unilateral Isolated Trochlear Nerve Palsy due to Ipsilateral Midbrain Infarction

Toshiyuki Hayashi1,2, Koichi Nomura1,2, Yasuhiro Nishiyama1

  • 1Department of Neurology, Graduate School of Medicine, Nippon Medical School.

Summary

Isolated trochlear nerve palsy is rarely caused by ischemic stroke. This case report details a 70-year-old woman with isolated trochlear nerve palsy resulting from a small midbrain infarction, highlighting stroke as a potential cause.