Blood vessel tumour. Coloured magnetic resonance imaging (MRI) head scan showing an arteriovenous malformation (AVM,red,upper left). The AVM is in the brain (pink & yellow) of a 20-year-old patient in this sagittal (vertical) image. This benign (non-cancerous) tumour,also known as an arteriovenous angioma,is formed from a clump of distended blood vessels. It may compress the brain,resulting in epilepsy,or cause a haemorrhage if a vessel bursts. AVMs are surgically removed or destroyed by radiotherapy. MRI scans produce slice images through tissues using a powerful magnet and pulses of radio waves | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / RNC, NEWCASTLE / SIMON FRASER |
Bildgröße: | 3000 px × 3500 px |
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