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. 2017 Jun 6;90(1074):20160834. doi: 10.1259/bjr.20160834

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© 2017 The Authors. Published by the British Institute of Radiology

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Figure 2. — Gyral enhancement: from the left, post-contrast three-dimensional (3D)-T₁ sampling perfection with application optimized contrast using different flip-angle evolutions (SPACE) (left), 3D-T₂ fluid-attenuated inversion recovery (FLAIR) (middle) and 3D-T₁ magnetization-prepared rapid gradient-echo (MPRAGE) (right) images. The SPACE image shows abnormal gyral enhancement (arrow) in the right lentiform nucleus region in a patient with viral meningitis. The post-contrast T₂-FLAIR image shows subtle enhancement (arrow), and in the post-contrast 3D-T₁-MPRAGE image, the enhancement is barely visible.