Tumours of the central nervous system

Tumours of the central nervous system can be metastatic or primary in origin, and can affect all age groups. The WHO grading system is most widely used to classify these tumours. CT and MRI imaging guide initial management and tissue diagnosis can be sought via open or image guided procedures. Prognosis depends on the type and location of the tumour, patient age and baseline characteristics. This article provides an overview of different tumour types, grading systems, clinical presentations, imaging techniques and management options.