Hello, As vertebral/ spinal haemangioma is most common benign spinal neoplasm and rarely may be locally aggressive. They usually remain asymptomatic but can cause symptoms due to mass lesion , compression fracture, haemorrhage or epidural extension. Bone scan done to know the cancer or its spread, cause of inflammation of bone, any type of fracture. Treating person may tell you to undergo vertebral angiogram to distinguish this lesion with others like giant cell tumour of spine, aneurysmal bone cyst, metastatic tumour. So, follow your doctor s instructions. Take care , bye.