Epidermoid of the lateral ventricle: evaluation with diffusion-weighted and diffusion tensor imaging

Radboud W. Koot, Anuradha P. Jagtap, Erik M. Akkerman, Gerard J. den Heeten, Charles B. L. M. Majoie

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Abstract

We report of a large epidermoid tumor of the lateral ventricle in a 67-year-old man. Conventional imaging (CT, T1/T2, MRI) could not differentiate the tumor from the surrounding cerebral spinal fluid (CSF). On diffusion-weighted and diffusion anisotropy images the tumor was clearly seen as a hyperintense mass surrounded by hypointense CSF, highly suspected for epidermoid. Diffusion-tensor imaging (DTI) accentuated its lobulated structure and clearly demonstrated its relationship to neighboring white matter tracts. We suggest that in case of the suspicion of a space-occupying lesion in CSF containing areas, not distinguishable from CSF by conventional MR imaging, diffusion-weighted and diffusion-tensor MR imaging should be added
Original languageEnglish
Pages (from-to)270-273
JournalClinical Neurology and Neurosurgery
Volume105
Issue number4
DOIs
Publication statusPublished - 2003

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