ABSTRACT
Tumours of the spine can be either malignant or benign and can occur at all levels of the vertebral column. Early identification and appropriate management is crucial in order to improve the patient’s quality of life and outcome. Malignant tumours of the spine are either primary tumours or secondary metastases. Metastases account for more than 95% of all spinal tumours, as the spine is one of the most frequent sites for metastasis.1-3
Metastatic spread to the spine from distant primary tumour sites takes place by three main mechanisms, which are (1) direct extension, (2) retrograde venous flow and (3) seeding of tumour emboli via the haematogenous route.4 Both primary and metastatic tumours tend to originate in the vertebral body, involving either one or both pedicles. Other common sites affected by metastases include the pelvic bones and proximal ends of the femur and humerus, all of which contain haematogenous marrow receiving good blood supply.
