Glioependymal cysts: CT and MR findings.

Abstract

Four patients with intracranial glioependymal cysts were evaluated in our institution in the last 7 years. All underwent surgical drainage and biopsy of the cyst wall. Cranial CT revealed a uniformly hypodense lesion with no contrast enhancement in all cases. Magnetic resonance imaging studies revealed a well defined cyst that was isointense to CSF on T1-weighted images and iso- or mildly hyperintense to CSF on proton density and T2-weighted images. In one case, a fluid-fluid level was demonstrated within the cavity, indicating the presence of fluid with a high protein content. A diagnosis of glioependymal cysts can be suggested based on CSF-like intensity patterns on T1-weighted images and iso- or mild hyperintensity on T2-weighted images.

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@article{Ismail1992GlioependymalCC, title={Glioependymal cysts: CT and MR findings.}, author={Ameera F Ismail and Donatella Tampieri and Denise M. Melanson and Ronald Pokrupa and J. G. Villemure and Graziano Bertrand}, journal={Journal of computer assisted tomography}, year={1992}, volume={16 6}, pages={860-4} }