Localization of Lesions of the Oculomotor Nerve: Recent Concepts

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Localization of Lesions of the Oculomotor Nerve: Recent Concepts PAUL W. BRAZIS, M.D. Mayo Clinic Proceedings Volume 66, Issue 10, Pages 1029-1035 (October 1991) DOI: 10.1016/S0025-6196(12)61726-1 Copyright © 1991 Mayo Foundation for Medical Education and Research Terms and Conditions

Fig. 1 Diagram of lateral aspect of left oculomotor complex. (From Brazis PW, Masdeu JC, Biller J: Localization in Clinical Neurology. Second edition. Boston, Little, Brown and Company, 1990.) Mayo Clinic Proceedings 1991 66, 1029-1035DOI: (10.1016/S0025-6196(12)61726-1) Copyright © 1991 Mayo Foundation for Medical Education and Research Terms and Conditions

Fig. 2 Coronal diagram of cavernous sinus. V 1 = ophthalmic division of cranial nerve V; V 2 = maxillary division of cranial nerve V; V 3 = mandibular division of cranial nerve V. (From Brazis PW, Masdeu JC, Biller J: Localization in Clinical Neurology. Second edition. Boston, Little, Brown and Company, 1990.) Mayo Clinic Proceedings 1991 66, 1029-1035DOI: (10.1016/S0025-6196(12)61726-1) Copyright © 1991 Mayo Foundation for Medical Education and Research Terms and Conditions

Fig. 3 Diagram of superolateral view of cranial nerves in cavernous sinus and orbit. (From Brazis PW, Masdeu JC, Biller J: Localization in Clinical Neurology. Second edition. Boston, Little, Brown and Company, 1990.) Mayo Clinic Proceedings 1991 66, 1029-1035DOI: (10.1016/S0025-6196(12)61726-1) Copyright © 1991 Mayo Foundation for Medical Education and Research Terms and Conditions

Fig. 4 Schematic diagram of midbrain at level of superior colliculus. Proposed model of oculomotor fascicular organization in ventral midbrain tegmentum from lateral to medial aspect is as follows: inferior oblique (IO) fascicles, superior rectus (SR) fascicles, medial rectus (MR) fascicles, levator palpebrae (lid) fascicles, inferior rectus (IR) fascicles, and, most medially, the pupillary fibers (pupil). (From Castro and associates.19 By permission of the American Medical Association.) Mayo Clinic Proceedings 1991 66, 1029-1035DOI: (10.1016/S0025-6196(12)61726-1) Copyright © 1991 Mayo Foundation for Medical Education and Research Terms and Conditions