Sarcoidosis

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Sarcoidosis

Last updated on Tuesday, September 9 2008 by jdmiles

Sarcoidosis is not an infectious process. However, there are similarities in the appearance of sarcoidosis to the appearance of infection. It is helpful to view and contrast the two processes together.

Related images:

Granulomatous meningitis in a patient with sarcoidosis, H&E stain x 200.
Non-necrotizing granulomatous inflammation of the meninges is typical of neurosarcoidosis

Perivascular granulomatous inflammation in a patient with neurosarcoidosis
Distinction between Neuro sarcoidosis and primary angiitis of the nervous system may be difficult, and may depend on clinical history as well as the absence of vascular destruction.

Neurosarcoidosis, coronal surface of brain at the level of the optic chiasm.
Granulomatous inflammation in the meninges tends to be concentrated at the base of the brain, as shown here