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Washington University Experience | INFECTION | Bacteria | TB - Individual Case | 1F10 TB Meningitis, Ventriculitis, Tuberculoma, Rich foci (Case 1) Gross_32 copy
A single intracortical tuberculoma (arrow) extends to the subarachnoid space. This pattern has been called a “Rich focus” and is thought to represent the point of initiation of tuberculous meningitis after hematogenous spread to the parenchyma.