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KMID : 0857020090240020215
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Kosin Medical Journal
2009 Volume.24 No. 2 p.215 ~ p.217
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Vertebral Epidermoid Tumor Mimicking Metastatic Spinal Tumor : A case Report
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Kim Jin-Wook
Kim Dae-Yong
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Abstract
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Spinal epidermoid tumors constitue less than 1% of all spinal tumors. A 51-year-old man was admitted for evalluation of incidental vertebral tumor at T12. Magnetic resonance imaging (MRI) revealed a mass lesion on posterior vertebral body and pedicle with no epidural extension and cord compression at T12. The lesion was heterogeneously hyperintense on T1-weighted images and T2-weighted images without any enhancement. Our preliminary diagnosis was a metastatic tumor . So the patient underwent percutaneous vertebral needle biopsy. But histopathologic examination was compatible with keratinous material lined by squamous epithelium, which confirmed an epidermoid tumor. We report one case of vertebral epidermoid tumor mimicking metastatic spinal tumor. To the best of our knowledge, this is the first case of epidermoid tumor developed in vertebrae in the literature.
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KEYWORD
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Epidermoid tumor, Metastatic tumor
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