X-ray tomography scan of brain showing haemorrhage

X-ray tomography scan of brain showing haemorrhage

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Credit: SIMON FRASER/SCIENCE PHOTO LIBRARY

Caption: Computed X-ray tomography (CT) scan of the brain showing a subarachnoid haemorrhage, the result of a ruptured blood vessel & one cause of stroke. The haemorrhage appears as the light area over the right side of the brain (left on image). In CT, a narrow X-ray beam is directed through the subject towards a diametrically-opposed detector. A series of "slices" is made, with source & detector moving synchronously around the subject. Measurements of transmitted X-rays are processed by computer to reveal how elements of tissue in each "slice" attenuate X-rays - the basis for constructing the image. Courtesy of Radiography Dept., Royal Victoria Infirmary, Newcastle-upon-Tyne.

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Keywords: blood vessel, brain haemorrhage, cause of, cerebrovascular disease, condition, ct scan, disease, disorder, healthcare, medical, medicine, neuroimaging, stroke, subarachnoid haemrrge, vascular, xray

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