The commonest CNS lesion causing signs of raised ICP or a focal neurological deficit. Abscesses may be multiple and are often multiloculated, and poorly encapsulated as the organism incites a weak inflammatory reaction. Granuloma formation is r are . Meningitis is r are . Vertebral osteomyelitis .
Skin tests are unreliable .
Chest X-ray may show cavitating mass or bilateral infiltrates . CT head used to localize lesion . Surgical resection of brain abscesses .