Lumbar disc herniation in children and elderly patients.

Lumbar disc herniation is a common pathology of young and middle-aged patients. Fissures and tears in the annulus fibrosus become weak points that facilitate herniation of the nucleus pulposus, especially when extreme forces 'attack' the intervertebral disc. A significant biomechanical force applied to a healthy ('normal') disc can have the same effect.

High Grade Glioma Surgery - Clinical Aspects and Prognosis.

Introduction: High grade gliomas (HGG) are a group of tumors with infiltrative nature in general. Surgery is the first step in their treatment. It can be beneficial in two aspects: firstly, in establishing normal intracranial pressure and, secondly, in reducing the tumour volume.