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Hyperglycemic hemichorea presenting with normal MRI and striatal hyperdensity on CT

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References

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Authors and Affiliations

  1. Department of Neurology, University of Rochester Medical Center, Rochester, New York, USA

    Natalia Chunga & Karlo J. Lizarraga

  2. Division of Neurology, Edmond J. Safra Program in Parkinson’s Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, University of Toronto, Toronto, Ontario, Canada

    Anthony E. Lang

  3. Motor Physiology and Neuromodulation Program, Division of Movement Disorders and Center for Health and Technology (CHeT), Department of Neurology, University of Rochester, Rochester, New York, USA

    Karlo J. Lizarraga

Authors
  1. Natalia Chunga
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  2. Anthony E. Lang
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  3. Karlo J. Lizarraga
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Contributions

All authors contributed to the conception and design of this report. Material preparation, data collection, and analysis were performed by Natalia Chunga and Karlo J. Lizarraga. The first draft of the manuscript was written by Natalia Chunga, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to Karlo J. Lizarraga.

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Highlights

- Hyperglycemic hemichorea is associated with characteristic striatal MRI and CT abnormalities.

- The affected striatum is usually hyperintense on T1-weighted MRI and hyperdense on CT.

- Hyperintensity on T1-weighted MRI is likely associated with increased blood flow and extravasation.

- Isolated hyperdensity on CT might be consistent with vasodilation and increased blood flow preceding extravasation.

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Chunga, N., Lang, A.E. & Lizarraga, K.J. Hyperglycemic hemichorea presenting with normal MRI and striatal hyperdensity on CT. Neurol Sci 42, 4341–4343 (2021). https://doi.org/10.1007/s10072-021-05433-6

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  • DOI: https://doi.org/10.1007/s10072-021-05433-6

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