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A cervical synovial sarcoma initially considered benign exhibited malignant features by extending into the spinal canal and encasing the right vertebral artery.
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This case report highlights the radiological features of a cervical synovial sarcoma that initially mimicked a benign tumor but demonstrated malignant characteristics such as vertebral artery encasement.
We report a case of synovial sarcoma in the neck that was initially considered to be a benign soft-tissue tumour. The mass appeared to originate in the perivertebral space, extending to the spinal canal via the C3/4 and C4/5 neural foramina. The mass also encased the right vertebral artery and this suggested a malignant soft-tissue tumour.
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Nishiguchi et al. (2008) studied this question. A cervical synovial sarcoma initially considered benign exhibited malignant features by extending into the spinal canal and encasing the right vertebral artery.
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