NTDs
Hydrocephalus
Cysts
Hemorrhages
Cleavage & Destructive Patho
100

Absent CSP, "teardrop sign" in occipital horns, narrow frontal horns, and high riding third ventricle

What is agenesis of the Corpus Callosum?

100

The most common disorder of the neonatal brain.

What is ventriculomegaly?

100

This is a normal variant that typically regresses during follow-up evaluation.

What is connatal cysts?

100

Most hemorrhages occur within the first 3 ______ of life.

What are days?

100

In Hydranencephaly, brain tissue is destroyed and the cerebrum is replaced with this

What is CSF?

200

Congenital anomaly associated with spina bifida

What are Chiari malformations?

200

The most common cause of both acquired and congenital hydrocephalus.

What is aqueductal stenosis?

200

If these are greater than 10mm or multiple, they are typically associated with T9 or T18.

What are choroid flexus cysts?

200

This grade of IVH occurs in approximately 40% of preemies and involves the germinal matrix.

What is Grade I?

200

Cebocephaly, cyclopia, and ethmocephaly are present in this most severe form that is associated with T13.

What is alobar holoprosencephaly

300

Type II Arnold-Chiari Malformations associate most commonly (80-90%) with these

What are myelomeningoceles?

300

The final destination CSF goes to after leaving the fourth ventricle (& foramens).

What is subarachnoid spaces?

300

These are most commonly the result of the sequela of a germinal matrix hemorrhage in preemies.

What are subependymal cysts?

300

The echogenicity of an acute IVH is equal to or _______ than the choroid plexus.

What is greater than?

300

Porencephalic cysts most often result from delivery trauma, infarction, and this common condition in preemies.

What is hemorrhage (grade IV IVH)

400

Fourth ventricle cyst that occcupies the occipital space that is characterized by the absence or hypoplasia of the cerebellar vermis, absent corpus callosum

What is Dandy-Walker Malformation?

400

In this type of hydrocephalus, the entire ventricular system is uniformly distended.

What is communicating hydro?

400

Dilation of the vein of Galen is caused by a vascular ___________ fed by large arteries off the ACA & PCA

What is a malformation?

400

Most hemorrhages are caused by a capillary bleed in the ____________ ________ ______.

What is subependymal germinal matrix?

400

Holoprosencephaly arises from failure of cleavage of this early in gestation.

What is the prosencephalon?

500

Presence of this is noted in 40-70% of Arnold-Chiari Malformations

What is aqueductal stenosis?

500

This type of matter in newborns is pliant and easily compressible.

What is white matter?

500

These are sonolucent structures arising from the quadrigeminal plate cistern, usually resulting from subdural hematoma.

What are arachnoid cysts?

500

The most frequent location of intraventricular hemorrhages that is between the thalamus and caudate nucleus

What is caudothalamic groove?

500

This condition has a near complete separation of hemispheres with the development of a falx and an absent CSP

What is lobar holoprosencephaly?