Head 1
A thin triangular space filled with CSF that lies between the anterior horns of the lateral ventricles is...
Cavum Septum Pelucidi
This is the largest subarachnoid space demonstrated sonographically
cisterna magna
The normal Filum terminale should measure less than ________________.
2mm
The spinal cord tapers off into what?
conus medullaris
This term means to move away from the body
abduction
What is the stucture that seperates the two verebral hemispheres
interhemispheric fissure
The Neurotube gives rise to the spinal cord and the brain. Closure of this tube begins mid embryo and continues in both cephalad and caudal direction. Which is completed first
cephalad
What is an example of a normal variant of the filum terminale?
filar cyst
The sacrum consists of _______ fused bones
5
This maneuver induces a “clunk” as the femoral head returns to the acetabulum.
ortolani
Sonography of the infant brain is evaluated throught the ___________ fontanelle
anterior
Dandy-Walker syndrome if a congenital anomaly in which a huge _______________ ventricle cyst occupies the area where the cerebellum usually lies, which secondary dilation of the third and lateral ventricles.
Fourth
True of false: When scanning an infant spine, the baby should be laying in a flat supine position?
false
Pathologic fixation of the spinal cord in an abnormal caudal location is known as which one of the following
Tethered cord
The hip of a normal infant has a Graf alpha angle of ____________ degrees
60 degrees
The is the largest commissure mass of white matter that connects the hemispheres (frontal, parietal, temporal and occipital lobes). It sits on top of the cavum septum pellucidum and is divided into the genu, rostum, body and splenium
corpus callosum
The periventricular tissue which may bleed easily before 32 weeks gestation is the _____________.
germinal matrix
Dilation of the central canal of the spinal cord is
hydromyelia
Cyst that occurs at the site of a previous bleed in the germinal matrix
subependymal cyst
Sonographic examination of the infant hip is performed with a(n) _______________ transducer
linear
The junction of the anterior, occipital, and temporal horns is called the _____________.
atrium (trigone)
Acute neonatal brain hemorrhage appears ____________________ when compared to the choroid plexus.
echogenic
How many lumbar vertebrae are in the vertebral column?
5
Congenital blockage of the aqueduct connecting the third and fourth ventricles causing dilation of the third and fourth ventricles
Aqueductal stenosis
In the ____________ maneuver, down and outward pressure is applied with the patient lying in a supine position with the hip adducted and flexed 90 degrees.
Barlow