Glioma brain cancer. Coloured computed tomography (CT) scan in axial section through the head of a 38 year old man with a malignant, rapidly growing glioma brain tumour (red, lower right). A glioma is a common cancer arising from supportive glial cells in the brain. Growth of the tumour distorts and puts pressure on the surrounding structures, as seen. Effects of this can include seizures, headaches, sensory disturbances and speech disorders. Surgery to remove part or all of the tumour may relieve some symptoms, and radiotherapy and chemotherapy may be used, but the prognosis is poor. For this tumour three weeks later, see image M134/493.
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