Tuberculous meningitis

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Tuberculous meningitis . Wellcome Collection. CC0 1.0 Universal. Source: Wellcome Collection.

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In this medium power view of the spinal meninges; there is dense chronic inflammation around the meningeal blood vessels. The arteries have prominent eosinophilic elastic lamina, and are severely obstructed by intimal hyperplasia (pale-staining areas). This is a secondary effect of the surrounding chronic inflammation, and the cause of cerebral infarction in tuberculous meningitis. H&E stain.

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