Male, 36 years old, with history of cavernous malformation status post resection on 02/14/16, three month follow-up exam. Postoperative findings are seen compatible with prior right pterional craniotomy. The previously demonstrated acute postoperative findings have resolved.The partially resected right basal ganglia cavernous malformation is again seen. There remains a subcentimeter locule of fluid signal surrounded by a rim of susceptibility artifact appearing similar to the prior postoperative study. No associated pathologic enhancement is seen.Encephalomalacia of the right anterior temporal lobe is demonstrated representing evolution of postoperative cytotoxic edema. A thin band of T2 hyperintensity also extends superiorly from the basal ganglia lesion into the corona radiata likely representing encephalomalacia. No other parenchymal lesions are seen. A small left frontal developmental venous anomaly is redemonstrated.
Postoperative findings are redemonstrated status post partial resection of a cavernous malformation from the inferior right basal ganglia. The residual lesion has not progressed from the prior exam.