Acta Neurochirurgica

, Volume 127, Issue 1–2, pp 48–54 | Cite as

Tectal plate gliomas part II: CT scans and MR imaging of tectal gliomas

  • L. Bognar
  • F. Turjman
  • E. Villanyi
  • C. Mottolese
  • J. Guyotat
  • C. Fischer
  • A. Jouvet
  • Cl. Lapras
Clinical Articles

Summary

CT scans and MR images were analized in 12 patients with histologically proved tectal plate gliomas. In an attempt to identify the nature of these lesions, their radiological characteristics were correlated with the histological results.

In four of our patients CT scan failed to show the tumour. MR imaging demonstrated the tectal distorsion in all cases. Contrast enhancement, calcification, cystic portions, exophytic nature were observed in both high and low-grade gliomas.

We conclude that in the case of intrinsic tectal tumours, the most probable diagnosis is that of low-grade astrocytoma while in the case of exophytic tectal tumours, the differential diagnosis from pineal region tumour is required and a histological verification is necessary.

Keywords

CT MRI tectal plate astrocytoma 

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Copyright information

© Springer-Verlag 1994

Authors and Affiliations

  • L. Bognar
    • 1
  • F. Turjman
    • 2
  • E. Villanyi
    • 1
  • C. Mottolese
    • 1
  • J. Guyotat
    • 1
  • C. Fischer
    • 3
  • A. Jouvet
    • 4
  • Cl. Lapras
    • 1
  1. 1.Department of NeurosurgeryHospital Pierre Wertheimer of LyonLyonFrance
  2. 2.Department of RadiologyHospital Pierre Wertheimer of LyonLyonFrance
  3. 3.Department of ElectrophysiologyHospital Pierre Wertheimer of LyonLyonFrance
  4. 4.Department of PathologyHospital Pierre Wertheimer of LyonLyonFrance

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