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Flashcards in Nervous System + Psychology Deck (171)
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1

Structural pathology of Wernike Encephalopathy?

Mamillary body necrosis

2

Temporal lobe encephalitis is caused by what kind of infection?

Herpes virus infection

3

Rapidly progressive dementia + myoclonic jerks =

Creutzfeld-Jakob disease

4

4 tumors that form psamomma bodies

-Meningioma -Papillary thyroid carcinoma -Mesothelioma -Papillary serous carcinoma of the ovary or endothelium

5

Slow growing + Well circumscribed + Intracranial mass + Whorled pattern of cellular growth + Psamomma bodies =

Meningioma

6

S-100 positive tumors (2) What does it indicate?

-Schwannoma -Melanoma Indicates that it is of neural crest cell origin

7

Elongated cells + Regular oval nuclei + Biphasic growth pattern + S-100 positive =

Schwannoma

8

Relapsing and remitting ocular problems and tingling + worse after heat =

Multiple Sclerosis

-Ocular problems = optic neuritis, internuclear opthalmoplegia

-Sensory defects

9

Complication of a subarachnoid hemorrhage =

How does it present =

Arterial vasospasm

Presents as new onset confusion or focal neurological deficit. Not seen on CT.

10

Drug to prevent subarachnoid hemorrhage complication and its mechanism.

Nimodipine - selective Ca channel blocker

11

Cystic cavities in the brain are lined by =

astrocytes

12

Diagnosis of tetanus is made via

History and Physical only

13

Ascending (flaccid) paralysis after a febrile illness is what disease?

Guillain-Barre disease

14

Guillain-Barre disease microscopic pathology

Endoneurial inflammatory infiltrate of macrocytes and lymphocytes

15

Hemangioma in the retina and/or cerebellum + Congenital cysts/neoplasms in the kidney, liver or pancreas =

Von Hippel Lindau

16

Cystic tumor in the cerebellum of a child =

Pilocytic astrocytoma

17

Which kind of aneurysm rupture results in -> deep intraparenchymal hemorrhage + focal/acute neurological deficits + hypertension?

Carcot-Bouchard aneurysm

18

Rupture of _ results in a subdural (crescent shaped) hematoma + gradual onset of symptoms

cortical bridging veins

19

Wernike Syndrome triad = Reversible with _ treatment

Ocular dysfunction Ataxia Confusion Reversible with Thiamine treatment

20

Korsakoff Syndrome symptoms (2) =

Confabulation

Permanent memory loss

21

Young child + Precocious puberty + Perinaud syndrome + Obstructive hydrocephalus =

Pineal germinoma

22

Perinaud Syndrome definition

paralysis of upward gaze

23

Transtentorial (uncal) herniation symptoms (3)

-Ipsilateral CN III damage => oculomotor nerve palsy + fixed/dilated pupil

-Contralateral LCST damage/Ispislateral cerebral peduncle damage

-Ipsilateral PCA damage => occipital cortex damage

24

What is the term for: monocular vision loss + pain on eye movement + afferent pupillary defect?

Optic neuritis

25

First area damaged by global cerebral ischemia

Pyramidal cells of the hippocampus

26

Cerebellar ataxia + Loss of position/vibration + Kyphoscoliosis + Hypertrophic cardiomyopathy =

Freidrich's ataxia

27

Definition - xanthochromia

blood in the CSF

28

Definition - lissencephaly

Congenial absence of gyri on the brain. Clinically associated with severe mental retardation.

29

Definition - Hydrocephalus ex vacuo

Ventricular enlargement due to brain atrophy. Not accompanied by an increase in CSF pressure.

30

Etiology of Paraneoplastic Cerebellar Degeneration?

Autoimmune