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ABSCESS OF THEBRAIN. DR. FRANCIS C. GRANT.
The extent of infection depends entirely on the ability of the surrounding tissue to wall it off and the result of the protective reaction is the formation of a capsule about the abscess. The two most important factors for a successful result are: the presence of adhesions obliterating the subarachnoid space and the degree of encapsulation about the infectious process.
Dr. Grant considers the mortality statistics in his series discouraging, but he obtains satisfaction from the fact that a diagnosis of abscess of the brain was made in twenty-six of the thirty cases reported. The abscess was found and drained in the designated area in each of the twenty-six cases. The relatively high percentage of correct localization of the lesion of the brain was due mainly to careful neurologic investigation and exacting history taking.
In twenty-seven of the thirty cases the point