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KMID : 1001920130530020121
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Journal of Korean Neurosurgical Society
2013 Volume.53 No. 2 p.121 ~ p.124
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Granular Cell Tumor of the Intradural Extramedullary Spinal Cord : Report of Two Cases with Respect to Radiological Differential Diagnosis
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Lee Chang-Hyun
Hyun Seung-Jae
Lee Joon-Woo
Rhim Seung-Chul
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Abstract
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Granular cell tumors (GrCTs) of the spinal cord are rare benign tumors with a high rate of local recurrence. Only 6 cases of spinal GrCTs have been reported. GrCT is difficult to distinguish from other benign tumors such as schwannoma using imaging. A radiological "speckled dots" sign may be a useful differentiating feature of GrCT based upon experience with two cases and a review of the literature.
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KEYWORD
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Granular cell tumor, Intradural extramedullary tumor, Spinal cord, Magnetic resonance imaging, Schwannoma
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