Meningioma of the tentorium cerebelli: computer tomographic and angiographic aspects

Sartor, K.; Kühne, D.

Rofo Fortschritte auf dem Gebiete der Rontgenstrahlen und der Nuklearmedizin 128(6): 651-661


ISSN/ISBN: 1438-9029
PMID: 150365
DOI: 10.1055/s-0029-1230924
Accession: 068522338

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The relationship of a meningioma to the tentorium is of great significance for the choice of treatment. In order to evaluate the role of computer tomography and angiography for elucidating this problem, 21 cases were examined (all had angiograms, 13 had computer tomography). In most cases the tumour was attached to the tentorium. In 18 patients it was possible to compare the results of radiology with operative findings. It was found that computer tomography and angiography are complementary; indirect involvement of the tentorium by tumour passing through the tentorial hiatus can nearly always be demonstrated by computer tomography, whereas demonstration of direct involvement is best achieved by selective or super selective angiography. Extension of tumour to both sides of the tentorium is accomplished most easily by computer tomography or angiography, if the meningioma is in the mid-line.