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 Indian J Med Microbiol  
 

Figure 9 (A-D): Doppler images (A and B) demonstrating circle of Willis. Coronal USG demonstrating the vein of Galen. (C) Parasagittal study showing the small periventricular veins in the region of caudothalamic groove (D)

Figure 9 (A-D): Doppler images (A and B) demonstrating circle of Willis. Coronal USG demonstrating the vein of Galen. (C) Parasagittal study showing the small periventricular veins in the region of caudothalamic groove (D)