Pathology of Meningitis - Krafts Flashcards Preview

Neuro - Block 2 > Pathology of Meningitis - Krafts > Flashcards

Flashcards in Pathology of Meningitis - Krafts Deck (6):
1

What's the main thing you see pathologically in bacterial meningitis?

Lots of pus!

Also the vessels are very engorged

2

What are the microscopic findings in acute bacterial meningitis?

Lots of neutrophils in subarachnoid space

Can sometimes see:
neutrophils in vessels (phlebitis)
Neutrophils extending in brain parenchyma (cerebritis)

3

In cases where the exudate on the brain becomes organized and fibrous, what is a big 2ndary complication that can occur?

hydrocephalus

4

What are the gross findings of TB meningitis?

Display in chronic fashion at first

The exudate is always basal
will accumulate, obliterating cisterns and encasing cranial nerves
Rarely can form tuberculomas (neoplasm-like mass)

5

Microscopic findings of TB meningitis?

You will see mononuclear cells (lympocytes, plasma cells, monocytes)
Granulomas will appear
Granulomas can cause obliterative endarteritis
Possible to get positive acid-fast stains

6

Pathology of viral meningitis?

NOT MUCH!
Gross: Brain might be swollen
Microscopic: no findings, maybe mild lympocytic