Gamma Knife radiosurgery for meningiomas: four cases of radiation-induced edema

We review 48 cases of meningioma treated with Gamma Knife radiosurgery. The mean marginal dose was 15 Gy and the mean follow-up was 12 months. Follow-up computed tomography and magnetic resonance imaging showed tumor shrinkage in 19 cases, central necrosis in 1 case, loss of contrast enhancement in...

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Published inStereotactic and functional neurosurgery Vol. 66 Suppl 1; p. 142
Main Authors Nakamura, S, Hiyama, H, Arai, K, Nakaya, K, Sato, H, Hayashi, M, Kawamata, T, Izawa, M, Takakura, K
Format Journal Article
LanguageEnglish
Published Switzerland 1996
Subjects
Adult
Aged
Brain Edema - etiology
Female
Humans
Meningeal Neoplasms - complications
Meningeal Neoplasms - surgery
Meningioma - complications
Meningioma - surgery
Middle Aged
Radiosurgery - adverse effects
Retrospective Studies
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Summary:We review 48 cases of meningioma treated with Gamma Knife radiosurgery. The mean marginal dose was 15 Gy and the mean follow-up was 12 months. Follow-up computed tomography and magnetic resonance imaging showed tumor shrinkage in 19 cases, central necrosis in 1 case, loss of contrast enhancement in 1 case, and no change in 27 cases. We noted 4 cases of radiation-induced edema in supratentorial meningiomas.
ISSN:1011-6125
DOI:10.1159/000099804