brain/spine obgyn Flashcards
what connects lateral vent to third vent
foramen of monro
what connects 3 vent to 4th
aqueduct of sylvius
what connects 4th vent to cisterna magna
foaramina of lushika and foramen of magendie
hydrocephalus/ventricumegaly
enlarged ventricles
most common brain abnormality
dangling chroid
aqueductal stenosis
when there is narrowing of aqueduct of sylvius
most common cause of hydrocephalus
hydrancephaly
no brain/rim replaced by fluid
holoproscenchepaly
when the brain cannot divide 3 types
lobar:heart shape
semilobar:butterfly
alobar:horseshoe (most severe).
associated with one eyes,no eyes,cleft lip , 1 nostril and no nose
dandy walker malformation
no vermis
causes key hole shape of cerebellum
dilation and enlargement of later ventricles ans cisterna magna
agenesis of corpus callousm
no cc and csp
-splayed/teardrop
sunburst gulci
vein of galem aneurysm
arteriovenous malformation , cause mass in midline of brain
associated with hydrops and chf
chroid plexus cyst
cyst -regress by 3third tri
associated with t18 edwards
schizencephaly
fluid in cerebrum
porencephaly
cysts in cerebrum
lissencephaly
smooth brain
teratoma
most common tumor intracranial
neural tube defects
supplament folic acid to avoid anecephaly and spina bifida
acrania =no skull
ex-with brain. an-without
spina bifida oculta
closed w skin
after birth
1:lipoma
2:sacral dimple
3:excess hair growth
sina bifida aperta
most common open
1:meningoceles -cystic apperence only meninges
2:myelemingocele:most common with root as well
arnold chiari 11 syndrome
happens with spina bifida causes spine to pull down on cranium
1:lemon head
2:obliterated cisterna magna
3:banana cerebellum
encephalocele
contents of cranium comes out usually occiptal
(associated with mickel-gruber) ^afp
inicenphalacy
star gazer, hyper extended neck
closed nf
