• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/36

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

36 Cards in this Set

  • Front
  • Back

absence of cerebral hemispheres and overlying skull and scalp

Anencephaly



Anencephaly can be seen transvaginally at how many weeks ?



9-10

Most common anomaly in CNS is?


it is common in areas where what is common and what country?

anencephaly


united kingdom

total or near total absence of cerebral hemispheres.

Hydranencephaly

with hydranencephaly what is still present

Mid brain, basal ganglia, thalamus and cerebellum.

what is thoight to be the cause of hydranecephaly?

bilateral blockage of the internal carotid arteries.

when looking at an ultrasound image of hydranencephaly what would appear?

no cerebral parenchyma, large anechoic areas surrounding midbrain.

failure of prosencephalon (forebrain) to divide into double lobes of cerebral hemispheres.

holoprosencephally

with holoprosencephally the ________ are fused.


has a single_______. that is shaped like a? Caused by ____ _______ of ________. Associated with?

thalami


ventricle


horseshoe


incomplete cleavage, prosencephalon(midbrain)


facial deformaties of the eyes nose and upper lip

single horseshoe shaped ventricle, fused thalami, associated with craniofacial

Alobar

more cerebral tissue present, occipital lobe present. associated with cleft palate and lip

Semilobar

nearly complete separation of cerebral hemispheres

Lobar

failure of lip fusion prior to 35 days from conception.? May be associated with?

facial clefts


brain anomalies or trisomies

Congenital brain malformation characterized by incomplete formation of cerebellar vermis, dilation of 4th ventricle and enlargement of


posterior fossa,

Dandy Walker Malformation

bony defect in calvarium with herniation of brain parenchyma, intraparenchymal effusion

cephalocele

cephalocele AKA? May occur in____ region__


region or_______ region. Most common region is ___________. It is associated with________.

encephalocele


occipital,frontal, or parietal


occipital


polyhydraminos

abnormal increase in fluid in cerebral ventricles.


AKA?

Hydrocephalus


Ventriculomeagaly

effects of hydrocephalus are?


it is associated with?



flattening of the brain parenchyma and


intraparenchymal effusion




spina bifida

classifications of hydrocephalus?

Aquductal stenosis


communicating hydrocephalus


overproduction of CSF (Cerebral spinal Fluid)

A condition in which brain tissue extends into the spinal canal, present at birth.

Arnold Chiari Malformation

Small head the Head Circumference measures more than 3 times below normal.

Microcephaly

causes of microcephaly


Pt will have ?

trisomes


exposure to environmental teratogens


uterine infections


mental retardation



cysts in the choroid plexus.? May be_____and resolve by end of________ trimester._____% are associated with _____ _____.Bilateral cysts have higher association with abnormal?

choroid plexus cysts


transient


2nd


5


trisomy 18


karyotype

benign cyst of lymphatic origin__________.


_____% originate from__________portion of neck. other locations include?


May be associated with?

cystic hygroma


80


posterolateral


axilla,groin,mediastinum,thorax


turners syndrome

defect in spine due to lack of fusion of two halves of vertebral arch

spina bifida

menings only protrude=


menings and spinal cord protrude=


most common location of spina bifida?


has a high association with?

Meningocele


Meningomyelocele


cervicle


Arnold Chiari MALFORMATION.



SMALL DEFECT WITH NO PROTRUSION OF MENINGES OR CORD

OCCULT SPINA BIFIDA

associated complications with spina bifida

bladder and bowel dysfunction


paralysis of lower extremities


hydrocephalus



cyst arising from ventricle that developes as a consequince of parenchymal hemorrhage

Porencephalic cyst

Dilation of the ventricles with accumulation of cerebral spinal fluid? AKA?

Hydrocephalus


Ventriculomegaly

a condition in which brain tissue extends into the spinal canal, present at birth

Arnold chiari Malformation

is a rare birth defect in which there is a complete or partial absence of the corpus callosum.

agnesis of the corpus callosum



affects the brain development, primarily development of the cerebellum which is part of brain that coordinates movement

Dandy Walker Malformation

a disorder caused by the failure of the prosencephalon to sufficiently divide into the double lobes of the cerebral hemispheres. Resulting in?

Holosencephaly


single lobed brain structure and severe skull and facial defects

A condition in which the brains cerebral hemispheres are absent to varying degrees and the remaining cranial activity is filled with


cerebrospinal fluid

Hydranencephaly

a rare birth defect that involves slits or clefts in the cerebral hemispheres of the brain.

Schizencephaly