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European Radiology

, Volume 16, Issue 3, pp 592–597 | Cite as

Brainstem and cerebellar changes after cerebrovascular accidents: magnetic resonance imaging

  • A. UchinoEmail author
  • Y. Takase
  • K. Nomiyama
  • R. Egashira
  • S. Kudo
Neuro

Abstract

We illustrate the various types of secondary degeneration in the brainstem and/or cerebellum detected on magnetic resonance (MR) images obtained after cerebrovascular accidents. The changes include: (a) ipsilateral nigral degeneration after striatal infarction; (b) Wallerian degeneration of the pyramidal tract in the brainstem after supratentorial pyramidal tract or motor cortex injury; (c) Wallerian degeneration of the corticopontine tract in the brainstem after frontal lobe infarction; (d) ipsilateral brainstem atrophy and crossed cerebellar atrophy due to an extensive supratentorial lesion; (e) ipsilateral superior cerebellar peduncle atrophy, contralateral rubral degeneration, contralateral inferior olivary degeneration and ipsilateral cerebellar atrophy after dentate nucleus hemorrhage; (f) ipsilateral inferior olivary degeneration after pontine tegmentum hemorrhage; (g) bilateral wallerian degeneration of the pontocerebellar tracts after ventromedial pontine infarction or basis pontis hemorrhage; and (h) ipsilateral cerebellar atrophy after middle cerebellar peduncle hemorrhage.

Keywords

Cerebrovascular accident Brainstem Cerebellum Secondary degeneration Magnetic resonance imaging 

Notes

Acknowledgements

We thank Kaori Ayabe, Tomoko Noudomi, Masuko Yoshida for their assistance in the preparation of this article.

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Copyright information

© Springer-Verlag 2005

Authors and Affiliations

  • A. Uchino
    • 1
    Email author
  • Y. Takase
    • 1
  • K. Nomiyama
    • 1
  • R. Egashira
    • 1
  • S. Kudo
    • 1
  1. 1.Department of RadiologySaga Medical SchoolSagaJapan

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