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Journal of Korean Neurosurgical Society > Volume 47(1); 2010 > Article
Journal of Korean Neurosurgical Society 2010;47(1): 64-67.
doi: https://doi.org/10.3340/jkns.2010.47.1.64
Mobility of Intradural Extramedullary Schwannoma at Spine : Report of Three Cases with Literature Review.
Soo Beom Kim, Hyung Seok Kim, Jee Soo Jang, Sang Ho Lee
1Department of Orthopedic Surgery, Seoul Wooridul Hospital, Seoul, Korea. ourspine@naver.com
2Department of Radiology, Seoul Wooridul Hospital, Seoul, Korea.
3Department of Neurosurgery, Seoul Wooridul Hospital, Seoul, Korea.
4Department of Neurosurgery, Wooridul Spine Hospital, Seoul, Korea.
ABSTRACT
Although very rare, a few cases of intradural extramedullary (IDEM) spinal tumor migration have been reported since Tomimatsu first reported a mobile schwannoma of the cervical cord in 1974. Schwannoma is a neurogenic tumor which originates from nerve sheath that it is relatively well-marginated tumor with little attachment or adhesion to surrounding tissue. Mobility of tumor in spinal canal sometimes can result in negative exploration at the expected area. We found three interesting cases in which different tumor locations observed in repeated magnetic resonance image (MRI) findings. All tumors were intradural and extramedullary schwannoma. We reviewed the literature about moving tumor in the spine through PUBMED search.
Key Words: Intradural extramedullary; Schwannoma; Mobility
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