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Cerebral sinovenous thrombosis in 2.5-year-old girl (MRI and MRV)

MRI and MRV brain. (A) Axial DWI showing restricted diffusion in the bilateral thalami (arrows), indicative of cytotoxic edema and suggestive of infarction. (B) Axial T2 FLAIR image demonstrating bilateral thalamic hyperintensities (arrows), involving the posterior limb of the internal capsule, consistent with vasogenic edema. (C) T1 gadolinium-weighted sagittal sequence showing intraluminal filling defects, confirming thrombosis in the internal cerebral vein (arrowhead), vein of Galen (green arrow), and straight sinus (yellow arrow). (D) Venogram (time-of-flight) demonstrating absence of flow-related signal within the internal cerebral vein (arrowhead), vein of Galen (green arrow), and straight sinus (yellow arrow). (Contributed by Dr. Mahendranath D Moharir.)

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  • Asphyxia
  • Coagulation disorders
  • Dehydration
  • Hypercoagulability
  • Meningitis