Patient 4: 71 year-old woman with primary angiitis of the CNS

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High-signal-intensity lesions on T2-weighted MR images

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Presentation transcript:

Patient 4: 71 year-old woman with primary angiitis of the CNS Patient 4: 71 year-old woman with primary angiitis of the CNS. A and B, Axial FLAIR MR images (11,004/114/2200) show foci of increased signal intensity at the anterior portions of the external capsules bilaterally (A, arrows) and decreased signal adjacent t... Patient 4: 71 year-old woman with primary angiitis of the CNS. A and B, Axial FLAIR MR images (11,004/114/2200) show foci of increased signal intensity at the anterior portions of the external capsules bilaterally (A, arrows) and decreased signal adjacent to the anterior right ventricle (B, curved arrow). C and D, Corresponding T2-weighted SE images (3000/91) show the lesion in the anterior right ventricle (D, curved arrow) and an additional lesion in the right thalamus (C, arrow). E–G, Angiograms depict lesions in right M1 (E, arrows), left A2 and M2 (F, long arrow and short arrow, respectively), in both PCAs (G, short arrows), and in left anterior inferior cerebellar artery (G, long arrow). Martin G. Pomper et al. AJNR Am J Neuroradiol 1999;20:75-85 ©1999 by American Society of Neuroradiology