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Neuroradiology

, Volume 33, Issue 6, pp 499–506 | Cite as

The characteristics of cerebral meningiomas and surrounding tissues on dynamic CT

  • J. R. Jinkins
  • R. Nuri Sener
Originals

Summary

Dynamic CT was utilized to evaluate 11 patients with histologically benign meningiomas. While it was found that all demonstrated macroscopic neovascularity, subtle differences in the dynamic perfusion curves were identified both between different meningiomas and from region to region within the same tumor. Other than basic anatomic differences, these changes may reflect intratumoral ischemia and hypothetically herald cystic/necrotic alteration within the neoplasm. The dynamic calculations over the surrounding brain showed areas of gross hyper- and hypoperfused cerebral cortex, and hypoperfused white matter in regions of peritumoral edema. These latter findings are of uncertain clinical importance. The dynamic examination also confirmed cases of dural venous sinus invasion and calvarial permeation by tumor. In addition, the dynamic series showed macroscopic neovascularity in one case with a completely negative selective cerebral arteriogram. It is felt that certain cases which have previously been evaluated by static CT may benefit from further study utilizing the dynamic method.

Key words

Dynamic computed tomography Computed tomography Cerebral neoplasm Meningioma 

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Copyright information

© Springer-Verlag 1991

Authors and Affiliations

  • J. R. Jinkins
    • 1
  • R. Nuri Sener
    • 1
  1. 1.Neuroradiology SectionThe University of Texas Health Science Center at San AntonioSan AntonioUSA

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