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Isolated Superior Rectus Palsy Due to Contralateral Midbrain Infarction
Jee-Hyun Kwon, MD;
Sun U. Kwon, MD;
Hyo-Sook Ahn, MD;
Ki-Bum Sung, MD;
Jong S. Kim, MD
Arch Neurol. 2003;60:1633-1635.
Background Isolated superior rectus palsy due to a contralateral midbrain lesion has not been reported.
Case Description A 71-year-old woman suddenly developed diplopia. Examination showed that she had isolated superior rectus paresis. Magnetic resonance imaging showed a tiny infarct at the area of the oculomotor nucleus on the contralateral side.
Conclusion Isolated superior rectus palsy may be caused by a contralateral midbrain lesion that selectively involves crossing superior rectus nerve fibers.
From the Departments of Neurology (Drs J. Kwon, S. U. Kwon, and Kim) and Ophthalmology (Dr Ahn), College of Medicine, University of Ulsan, Asan Medical Center, and the Department of Neurology, College of Medicine, Soonchunhyang University (Dr Sung), Seoul, Korea.
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ABSTRACT
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