A neonate with left to Right shunt & high cardiac output heart failure. CT Angiography of the neonate is shown. What is the diagnosis?
b. Vein of Galen malformationCT angiography shows enhancing rounded lesion at tentorial apex, extending posteriorly & draining into dilated superior sagittal sinus, through dilated straight sinus, suggestive of vein of Galen malformation.The anomaly is actually due to a cerebral arteriovenous fistula of the median prosencephalic vein (a precursor of the vein of Galen) occurring at 6-11 weeks gestation.
Sagittal venous thrombosis
Vein of Galen malformation
Intracranial hemorrhage
Arnold-Chiari malformation
Central Nervous System