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Metastatic spinal cord compression (MSCC)occurs when cancer spine or epidural metastasis causes mechanical compression of the spinal cord.The major common symptom are back pain,motor de?cits and sensory de?cits.As an oncological emergency,MSCC needs rapid diagnosis and treatment to avoid permanent paralysis.MRI is the best tool for diagnosis of MSCC;and corticosteroids,surgery and radiation therapy are all established treatments.