Neuropath of CNS Infections I Flashcards

(46 cards)

1
Q

Herpes Viruses uses ______ transport to infect neurons

A

retrograde

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2
Q

Neutrophils are associated with _____ inflammation usually caused by _____

A

acute; bacteria

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3
Q

Lymphocytes are usually associated with ______ infections

A

viral

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4
Q

Microglial nodules are associated with _____ _____

A

viral encephalitis

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5
Q

Microglial cells are a type of ____ which are resident to the CNS

A

macrophage

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6
Q

Pachymeningitis is inflammation of the ____

A

Dura

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7
Q

Leptomeningitis is inflammation of the ____

A

Pia and Arachnoid

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8
Q

Encephalitis is a term used for ______ inflammation of the brain parenchyma

A

chronic

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9
Q

Cerebritis refers to _____ inflammation

A

acute

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10
Q

Myelitis is inflammation of the

A

spinal cord

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11
Q

Poliomyelitis is inflammation of the

A

spinal cord grey matter

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12
Q

Epidural abscesses occur most frequently in the

A

spine

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13
Q

The most common location for a bacterial infection is the

A

subarachnoid space

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14
Q

The most common way for a patient to get a bacterial abscess is ________ spread

A

hematogenous

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15
Q

The most common source of bacterial emboli is ________

A

endocarditis

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16
Q

The most common abscess forming bacteria are

A

Staph Aureus and Strep

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17
Q

The fibrous scar around abscesses in the brain result from

A

vessels from the leptomeninges providing fibroblasts

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18
Q

Mycobacteria and neurosyphilis cause a ____ infection of the brain

A

chronic

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19
Q

Tuberculous meningitis occurs in the ____ aspect of the brain and can cause _____ ______ ______

A

basal; cranial nerve palsy

20
Q

Tuberculous meningitis can form tuberculomas, which are

A

granulomas with a necrotic core surrounded by multinucleated giant cells

21
Q

CNS involvement of syphilis occurs in the _____ stage

22
Q

Meningovascular Neurosyphilis form lesions called _____. They also have a _____ infiltrate made up of ______

A

gummas; perivascular; lymphocytes

23
Q

The two major symptoms of neurosyphilis are

A

Tabes Dorsalis and Paretic Neurosyphilis

24
Q

Organisms can only be seen in which of the two major neurosyphilitic syndromes?

A

Paretic Neurosyphilis

25
Paretic Neurosyphilis has inflammatory lesions which cause _____ damage
parenchymal
26
Lyme disease is a cause of isolated
Facial nerve palsy
27
Lyme disease causes what type of meningitis?
Aseptic lymphocytic meningitis
28
____ causes 80% of aseptic viral meningitis
Enterovirus
29
____ are seasonal RNA viruses which are transmitted by
Arboviruses; arthropods
30
Acute viral encephalitis present with both ____ infiltrates and _____ nodules
perivascular; microglial
31
____ is the destruction of neurons by phagocytes seen in ___ ____ _____
Neuronophagia; acute viral encephalitis
32
HSV1 has a predilection to cause hemorrhagic necrosis in the ______ lobe in a _____ pattern
temporal; bilateral
33
CMV encephalitis occurs in which two primary ways?
Intrauterine infection (congential CMV) and immunosuppression
34
_____ can cause encephalitis in immunosuppressed patients
Varicella Zoster
35
Rabies infections start in _____ muscle then get to the CNS via ____
skeletal; retrograde axonal transport
36
What is the pathological hallmark of rabies?
Negri Bodies
37
Poliomyelitis is restricted to the
grey matter of the spinal cord
38
Fungi can cause _____ lesions
granulomatous
39
Fungi have a predilection for ______, and can cause _____ and ______
vessels; infarcts; hemorrhage
40
Patients with neutropenia are at increased risk of infection by which two fungi?
Aspergillus and Candida
41
Zygomycosis often infect patients who are in ____ and cause
DKA; rhinocerebral disease
42
Epidemic outbreaks of meningitis are most associated with what bacteria?
Neisseria Meningitidis
43
Most common CNS infection
Bacterial Meningitis
44
What is the second most common CNS infection and when do they occur in life?
Bacterial abscess in 2nd or 3rd decade
45
Due to the influx of neutrophils, bacterial infections of the CNS have ______ infections
purulent
46
Initially, abscesses are filled with ____. Then after 10 days, a _______ capsule forms around the necrosis.
neutrophils; fibrotic