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PT  - JOURNAL ARTICLE
AU  - Hoon Shin, Ji
AU  - Kyu Lee, Ho
AU  - Chul Rhim, Seung
AU  - Cho, Kyung-Ja
AU  - Gon Choi, Choong
AU  - Chul Suh, Dae
TI  - Spinal Epidural Extraskeletal Ewing Sarcoma: MR Findings in Two Cases
DP  - 2001 Apr 01
TA  - American Journal of Neuroradiology
PG  - 795--798
VI  - 22
IP  - 4
4099  - http://www.ajnr.org/content/22/4/795.short
4100  - http://www.ajnr.org/content/22/4/795.full
SO  - Am. J. Neuroradiol.2001 Apr 01; 22
AB  - Summary: We report the CT myelography and MR findings of two cases of extraskeletal Ewing sarcoma involving the spinal epidural and paravertebral spaces in a middle-aged man (case 1) and a young woman (case 2). In both cases CT myelography showed epidural and paravertebral masses on one side, with widening of the ipsilateral neural foramina at the C5–C6 level in case 1 and at the C7–T1 level in case 2. On MR images, the masses were isointense to muscle on T1-weighted images, hyperintense on T2-weighted images, and showed moderate enhancement on contrast-enhanced T1-weighted images. In one case, all pulse sequences showed linear signal voids, representing the vertebral artery encasement within the mass. The intradural component connected with the main mass was detected in the other case.