Abstract
We present the case of an isolated inferior oblique muscle paresis from ventral midbrain infarction involving the oculomotor fascicular fibers. Based on this case and a review of the literature, the anatomic organization of the oculomotor nerve fascicles and of the pupillary fibers in the ventral midbrain tegmentum is proposed.
MeSH terms
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Aged
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Brain Stem / blood supply*
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Cerebral Infarction / complications*
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Cerebral Infarction / diagnosis
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Female
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Humans
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Magnetic Resonance Imaging
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Oculomotor Muscles / anatomy & histology*
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Oculomotor Muscles / pathology
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Ophthalmoplegia / etiology*
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Ophthalmoplegia / physiopathology
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Tegmentum Mesencephali / anatomy & histology*