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Cerebral venous thrombosis in pneumococcal meningitis: An autopsy study
Aims:
Cerebral venous thrombosis (CVT) is a rare but severe complication of bacterial meningitis. The histopathological features of CVT in meningitis patients have not been described.
Materials And Methods:
We studied histopathology findings of brain autopsy material from 2 patients with bacterial meningitis complicated by CVT and compared findings with those in 3 CVT patients without meningitis and 1 patient with bacterial meningitis without CVT. The histological slides were re-evaluated and assessed for the presence of thrombosis, cerebral venous sinus mural inflammation and bleeding, inflammation at the thrombosis attachment point, endothelial abnormalities, and the presence of bacteria.
Results:
The 2 patients who died of bacterial meningitis complicated by CVT showed multifocal deep intramural inflammation in the cerebral venous sinus, whereas this was absent in patients with only bacterial meningitis or CVT. Bacteria were identified within the intramural inflammation and thrombus.
Conclusion:
We observed bacterial invasion causing multifocal deep intramural inflammation and venous wall disintegration as CVT in pneumococcal meningitis.
