Brain with bacterial meningitis. Gross specimen showing bacterial infection of the meninges, the linings that protect the brain and spinal cord. In this case necrosis (cell death) of brain tissues has occurred in the midbrain region, an area including the pons, cerebellum, hypothalamus and optic chiasm. Bacterial meningitis is a life-threatening condition that requires emergency medical treatment. Symptoms include a stiff neck, aversion to light and a headache. A skin rash may also be present. Treatment is with high doses of intravenous antibiotics.
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