1. Patient who receive pre-operative angiography and possible embolization before debulking surgery or en bloc resection of the spinal tumor.
2. The tumor has to be located in thoracic or lumbar spine.
You may not be if
1. Confirmed non-tumor diagnosis.
2. Patient who cannot tolerate the procedure due to severe pain.
3. Patients who cannot receive angiography or embolization due to contraindications, including poor renal function (Serum creatinine \>2.0 deciliter/mg or estimated glomerular filtration rate(eGFR)) \< 30ml/min) , severe allergy to contrast medium, uncorrectable coagulopathy and bleeding diathesis.
4. Patient who has severe neurological deficit that should receive emergent decompression.
