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Claude’s Syndrome. 166-26. Claude’s Syndrome.

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Claude’s Syndrome


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    1. Claude’s Syndrome 166-26

    2. Claude’s Syndrome Claude’s syndrome is a well-known midbrain syndrome characterized by ipsilateral oculomotor nerve palsy and contralateral cerebellar ataxia. This syndrome is very rare; only a few cases have been reported since Claude’s original description in 1912. Claude H, Loyez M. Ramollissement du noyau rouge. Rev Neurol (Paris) 1912;24:49-51.

    3. Claude’s Syndrome Localization Claude’s syndrome is the simultaneous involvement of the cerebellar efferent fibers to the thalamus and the oculomotor nerve fascicles. Claude’s case had a midbrain infarction that involved the medial half of the red nucleus and the region of the decussation of the superior cerebellar peduncle.

    4. Neuroimaging MRI in six patients had lesions in the midbrain below the red nucleus. The lesion responsible for Claude’s syndrome localized to the superior cerebellar peduncle, below and medial to the red nucleus. Seo SW, Heo JH, Lee KY, Shin WC, Chang DI, Kim SM, Heo K.. Localization of Claude’s syndrome. Neurology 2001;57:2304-2307.

    5. Figure 1. MRI: Claude’s Syndrome right paramedian midbrain infarct.

    6. Figure 2. MRI: Claude’s Syndrome right paramedian midbrain infarct

    7. Third Nerve Nucleus

    8. Diagram of the Midbrain

    9. Third Nerve Midbrain Syndromes Weber’s syndrome: ipsilateral third nerve palsy, plus contralateral hemiparesis including the lower face and tongue due to involvement of the cerebral peduncle. Benedikt’s syndrome: Ipsilateral third nerve palsy, plus contralateral tremor due to involvement of the red nucleus.

    10. Third Nerve Nothnagel’s syndrome: Ipsilateral third nerve palsy, plus ipsilateral cerebellar ataxia due to involvement of the superior cerebellar peduncle. Claude’s syndrome: Ipsilateral third nerve palsy (often partial) plus contralateral ataxia, asynergy, and dysdiadochokinesis due to involvement of the red nucleus and superior cerebellar peduncle.

    11. References Broadley SA, Taylor J, Waddy HM, Thompson PD. The clinical and MRI correlate of ischaemia in the ventromedial midbrain: Claude’s syndrome. J Neurol 2001;248:1087-1089. Claude H, Loyez M. Ramollissement du noyau rouge. Rev Neurol (Paris) 1912;24:49-51.

    12. References Seo SW, Heo JH, Lee KY, Shin WC, Chang DI, Kim SM, Heo K.. Localization of Claude’s syndrome. Neurology 2001;57:2304-2307. MRI Images courtesy of Sarah Sheikh, BM, BCh, MRCP

    13. http://library.med.utah.edu/NOVEL