Neuroradiology

, Volume 29, Issue 5, pp 409–415 | Cite as

Computed tomographic studies of the basis pedunculi in chronic hemiplegic patients: Topographic correlation between cerebral lesion and midbrain shrinkage

  • T. Warabi
  • K. Miyasaka
  • K. Inoue
  • N. Nakamura
Originals
Received:

Summary

A computed tomographic method for analyzing the shrinkage of the basis pedunculi (BP) due to the secondary degeneration of the descending fibers was applied in correlation to the site of cerebral lesions in 89 chronic hemiplegic patients. Cerebral lesions in the anterior coronar radiata or the anterior limb of the capsula interna caused shrinkage of the medial BP. Lesions in the central corona radiata or the genu and posterior limb of the capsula interna caused shrinkage of the central BP, while lesions of the posterior corona radiata or the posterior limb of the capsula interna caused shrinkage of the lateral BP. These results suggested that CT images are able to reveal the principle sites of atrophy of the descending fiber tracts in chronic hemiplegia.

Key words

CT-Brain Chronic Hemiplegia Secondary degeneration Basis pedunculi 
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Copyright information

© Springer-Verlag 1987

Authors and Affiliations

  • T. Warabi
    • 1
  • K. Miyasaka
    • 2
  • K. Inoue
    • 3
  • N. Nakamura
    • 4
  1. 1.Department of NeurosurgeryHokkaido University, School of MedicineSapporoJapan
  2. 2.Department of RadiologyHokkaido University, School of MedicineSapporoJapan
  3. 3.Institute of Brain Research, School of MedicineUniversity of TokyoJapan
  4. 4.College of Medical TechnologyHokkaido UniversitySapporoJapan

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