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Fifteen-year-old girl with transient motor weakness of upper and lower left extremities.A and B, FLAIR images (10000/126/2, TI = 2200) show extensive areas.

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Presentation on theme: "Fifteen-year-old girl with transient motor weakness of upper and lower left extremities.A and B, FLAIR images (10000/126/2, TI = 2200) show extensive areas."— Presentation transcript:

1 Fifteen-year-old girl with transient motor weakness of upper and lower left extremities.A and B, FLAIR images (10000/126/2, TI = 2200) show extensive areas of increased signal intensity in leptomeninges and perivascular spaces, predominantly in right hemisp... Fifteen-year-old girl with transient motor weakness of upper and lower left extremities.A and B, FLAIR images (10000/126/2, TI = 2200) show extensive areas of increased signal intensity in leptomeninges and perivascular spaces, predominantly in right hemisphere.C and D, Contrast-enhanced T1-weighted images (333/14/2, no use of flow compensation) show diffuse leptomeningeal enhancement and strong enhancement of perforating arteries in basal ganglias and deep white matter. Areas of left PCA and some areas of left MCA are spared leptomeningeal enhancement. Masayuki Maeda, and Chika Tsuchida AJNR Am J Neuroradiol 1999;20: ©1999 by American Society of Neuroradiology

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