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40.8 MB (2.1 MB compressed)
3589 x 3969 pixels
30.5 x 33.5 cm ⏐ 12.0 x 13.2 in (300dpi)
ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Meningioma brain tumour. Coloured magnetic resonance imaging (MRI) scans of axial sections through the brain of an 87-year-old female patient with a large (6.5c) meningioma (orange). Meningiomas are slow-growing tumours that form from the meninges, the membranous layers surrounding the brain and spinal cord. Just over 90 percent of meningiomas are benign (non-cancerous), whilst eight percent are either atypical or malignant (cancerous). Here, the tumour has caused problems with walking (gait disorders) and coordination.
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