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Unilateral Oculomotor Palsy and Bilateral Ptosis From Paramedian Midbrain Infarction
Grant T. Liu, MD;
Enrique J. Carrazana, MD;
Michael E. Charness, MD
Arch Neurol. 1991;48(9):983-986.
Abstract
Lesions of the oculomotor fascicles are localized clinically by associated neurologic deficits. We present two patients with bilateral ptosis, unilateral paresis of all other muscles innervated by the oculomotor nerve, and sparing of the contralateral superior rectus muscle—findings suggesting a lesion of the proximal oculomotor fascicles and the central caudal subnucleus. To our knowledge, these are the first such cases with radiologic confirmation of a lesion within the dorsal, paramedian midbrain.
Author Affiliations
From the Department of Neurology, Harvard Medical School; Division of Neurology, Brigham and Women's Hospital; Section of Neurology, Brockton-West Roxbury Veterans Affairs Medical Center; the Harvard-Longwood Neurology Training Program, Boston, Mass.
Footnotes
Accepted for publication April 5, 1991.
Reprint requests to the Section of Neurology (127), Brockton-West Roxbury Veterans Affairs Medical Center, 1400 VFW Pky, West Roxbury, MA 02132 (Dr Charness).
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