Dandy-Walker malformation (Phenotype)

Synonyms:HP:0001313, HP:0006809, Dandy-walker anomaly, Dandy-Walker cyst

Id:HP:0001305

Description:A congenital brain malformation typically characterized by incomplete formation of the cerebellar vermis, dilation of the fourth ventricle, and enlargement of the posterior fossa. In layman's terms, Dandy Walker malformation is a cyst in the cerebellum (typically symmetrical) that is involved with the fourth ventricle. This may interfere with the ability to drain cerebrospinal fluid from the brain, resulting in hydrocephalus. Dandy Walker cysts are formed during early embryonic development, while the brain forms. The cyst in the cerebellum typically has several blood vessels running through it connecting to the brain, thereby prohibiting surgical removal.

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	Label	Description
	PT 96AAYCKG Subject (Entity type)	A subject from Kids First produced as part of the SD PREASA7S project
	PT N35R1FCW Subject (Entity type)	A subject from Kids First produced as part of the SD PREASA7S project
	PT TV41VP87 Subject (Entity type)	A subject from Kids First produced as part of the SD PREASA7S project
	PT TNNCNGE9 Subject (Entity type)	A subject from Kids First produced as part of the SD PREASA7S project
	PT X3NQGNNR Subject (Entity type)	A subject from Kids First produced as part of the SD PREASA7S project
	PT 2Q53BXVY Subject (Entity type)	A subject from Kids First produced as part of the SD PREASA7S project
	PT Z2KQD4XB Subject (Entity type)	A subject from Kids First produced as part of the SD PREASA7S project
	PT VV2SM600 Subject (Entity type)	A subject from Kids First produced as part of the SD PREASA7S project
	PT 4PFP2MHD Subject (Entity type)	A subject from Kids First produced as part of the SD PREASA7S project
	PT 5SFFE2ZV Subject (Entity type)	A subject from Kids First produced as part of the SD PREASA7S project