The experience gained in the treatment of two patients with abscess of the brain associated with extracapsular necrosis and suppuration forms the basis of this paper. These are the only patients with this type of abscess whom I have ever seen. Both were operated on, and both recovered. In presenting this subject with the report of the cases, I hope that the information obtained from the observations made will be of help to others in dealing with similar cases.
In reviewing the literature one does not find reports of many cases of nonoperative abscess of the brain in which definite pericapsular or extracapsular involvement in the nature of necrosis and suppuration was present. This may be due to the fact that autopsy was not performed or that the condition found at autopsy was not completely described. Probably Macewen1 and Eagleton2 have given more attention than most writers to