Normal CNS
Ventricles
Cerebellum
Posterior Fossa
This & That
100
The leaflets of the septum pellucidum.
What are the lateral borders of the CSP?
100
This common finding needs no follow up
What is a choroid plexus cyst?
100
Reliable measurement for gestational age as long as its normal
What is the trans cerebellar diameter?
100
It's fenestrations can sometimes be seen as lines like prison bars
What is the Blake's pouch remnant?
100
The left half doesn't know what the right half is doing because of this
What is ACC?
200
Travelling from the parieto-occipital groove to the opposite wall
What is measurement of the lateral ventricle?
200
This newborn was also diagnosed with hearing loss
What is congenital CMV?
200
Can take a while to form - up to 18 weeks so don't count it out to soon
What is the cerebellar vermis?
200
This cerebellar deformation can be part a "sign" on a fruit basket
What is the banana sign?
200
These can be seen in trisomy 18 and normal fetuses
What are choroid plexus cysts?
300
These lines can be seen when viewing the posterior fossa but don't be fooled, they don't contain anything
What are the lateral walls of Blake pouch?
300
This patient comes in for routine NT screening
What is anencephaly?
300
Excuse me for being clumsy
What is absent cerebellar vermis?
300
Even though the CSF is flowing, this condition in the posterior fossa can be mistaken for a severe malformation.
What is mega-cisterna magna?
300
Can be mistaken for CSP if there is absent CC
What is the third ventricle?
400
This "butterfly structure plays a central role in relaying sensory and motor information
What is the thalamus?
400
This fetus of a G1P0 mother presented to your office for this imaging on routine 3rd trimester scan
What is an intraventricular hemorrhage?
400
This patient did not take prenatal folic acid
What an obliterated posterior fossa from NTD?
400
This condition is associated with and enlarged CM and cerebellar hypoplasia
What is Dandy-Walker Malformation?
400
The reason for development of this clover is not very lucky
What is craniosynostosis?
500
This "mohawk" appearing structure gives reassurance but not guarantee that the corpus callosum is present
What is the pericallosal artery?
500
In this case, it's not good to work as "one"
What is holoprosencephaly?
500
Newborn with seizures, poor muscle tone and involuntary eye movements
What is cerebellar hypoplasia?
500
This structure found in the posterior fossa is not expected to be fully closed until 18 weeks
What is the cerebellar vermis?
500
If you can see it, it's not there
What is anophthalmia?