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Washington University Experience | INFECTION | Bacteria | Meningitis | Meningitis, complications - acute | 13A1 Meningitis, bacterial (Case 13) EColi 1
The purulent infiltrate in this case involves the subarachnoid space, particularly at the base of the brain. The cross section of the midbrain shows occlusion of the cerebral aqueduct (#13A2). The spinal subarachnoid space also is involved (#13A3.