Anatomy Flashcards
(18 cards)
What does obstruction between or within ventricles cause, and CSF fluid production remains constant?
Noncommunicating hydrocephalus
Congenital aqueductal stenosis can cause…
Noncommunicating hydrocephalus
Ventriuclar dilation caused by: oversecretion of CSF; CSF circualtion blockage; poor CSF absorption is called what?
Communicating hydrocephalus
What is a common cause of CSF over secretion?
Choroid papilloma
What is a common cause of CSF circulation blockage?
Tumor in the subarachnoid space
What is a common cause of poor CSF absorption?
Meningitis, Postmemningtis adhesions, dural venous sinus thrombosis
What is the chronic form of communicating hydrocephalus with equilibration of CSF formation and absorption called?
Normal Pressure Hydrocephalus
If a patient presents with urinary incontinence, dementia, and gait disturbances what do they have?
Normal Pressure hydrocephalus
wet wacking and wobbly
Type of hydrocephalus seen ini Alzheimer’s patients?
ex vacuo
Type of hydrocephalus seen in young obese women?
Psuedomtumor cerebri
A patient has increased cranial pressure and papilledema with slitlike ventricles on imaging, what does this patient on OCPs with headache have?
Psuedotumor cerebri
What can cause Psuedotumor cerebri?
Amiodarone Lupus OCP Tetracyclines/Thrombosis vitamin A Steroids A LOT A Stuff
What is obstructed when the lateral ventricles are dilated?
Foramen of Monro, Interventricular foramen
What is obstructed when the third and lateral ventricles are dilated?
Cerebral Aqueduct
What is obstructed when the aqueduct, third, and lateral ventricles are dilated?
4th ventricle
How do the lateral ventricles communicate with the 3rd ventricle?
INterventricular foramen
How does the 3rd ventricle communicated with the 4th ventricle?
Cerebral adequduct
How does the 4th ventricle communicate with the subarachnoid space?
Foramen Luscka (2) Foramen Mendge 1
