ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Brain tumour blood supply. Combined coloured X-ray and computed tomography (CT) angiogram of a section through the head of a 48-year-old patient, showing the blood vessels (black) supplying an osteomeningioma (lighter area, top left) in the region of the frontal and parietal lobes. Meningiomas are tumours arising from the meninges - the membrane layers surrounding the brain and spinal cord of the central nervous system (CNS). Here, it is also affecting the brain of the skull. Meningiomas are usually benign (non-cancerous) but a small percentage are cancerous. Here, the tumour is being fed by branches from the middle meningeal artery and right temporal artery.
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