Surgery » Neuro Surgery

Brain Tumours

Brain tumors account for 85% to 90% of all primary central nervous system (CNS) tumors. Several benign tumours can remain asymptomatic for years and they may be accidentally discovered by imaging for unrelated reasons. Patient may present with new onset of epilepsy, signs and symptoms of raised intracranial pressure, focal neurologic symptoms or visual field defects. Brain tumors must be differentiated from other space-occupying lesions such as abscesses, arteriovenous malformation and infarction, which can have a similar clinical presentation. The diagnosis is by CT/ MRI and histological examination of tumour tissue samples obtained either by biopsy or open surgery. For primary brain tumours, a surgical attempt at tumour removal or at least cytoreduction is considered in most cases. Postoperative radiotherapy and chemotherapy are integral parts of the therapeutic standard for malignant tumors.

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