Intraspinal epidermoid cyst: diffusion-weighted MRI |
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| Authors: | Teksam M Casey S O Michel E Benson M Truwit C L |
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| Affiliation: | (1) Department of Radiology, University of Minnesota Medical School & Hennepin County Medical Center, Mayo Mail Code 292, 420 Delaware Street SE, Minneapolis, MN 55455, USA e-mail: casey021@tc.umn.edu Tel.: + 1-6 12-2 73 40 92 Fax: + 1-6 12-2 73 84 95, US |
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| Abstract: | We report a 7-year-old boy who presented with two-month history of worsening low back and right leg pain. Conventional MR images demonstrated a poorly outlined intradural mass recognized by the displacement of the conus medullaris and the nerve roots of the cauda equina at the L2–3 level. The signal intensity of the lesion was similar to CSF. There was no contrast enhancement of the lesion. Diffusion-weighted images and ADC values revealed restricted diffusion within the mass. Myelography confirmed the mass as an intradural filling defect with myelographic block at the L2–3 level. The patient underwent total surgical excision of the mass. Pathologic examination revealed the diagnosis of epidermoid cyst. Received: 11 July 2000 Accepted: 1 December 2000 |
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| Keywords: | Spinal epidermoid cyst Magnetic resonance imaging Diffusion-weighted imaging |
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