Category Ultrasonography

Dandy-Walker Malformation

KEY FACTS Terminology Classic Dandy-Walker malformation Cerebellar vermis is completely or partially absent Cystic dilatation of 4th ventricle (4V) Enlarged posterior fossa with elevated tentorium – Tentorium is roof of posterior fossa and separates cerebellum from occipital lobe You’re Reading…

Aqueductal Stenosis

KEY FACTS Terminology Narrowing/occlusion at aqueduct of Sylvius (between 3rd and 4th ventricles), causing obstructive hydrocephalus You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log…