Aneurysms of azygos anterior cerebral artery (ACA) are rare with very few cases reported in medical literature. We report here two cases of aneurysm of azygos ACA among 105 patients with subarachnoid hemorrhage. The two aneurysms were successfully clipped by using the bifrontal basal interhemispheric approach.
The purpose of this paper is to point out the need for performance evaluation measures and techniques suitable for the evaluation of specialized architectural features in nonnumeric applications. Toward this end, problems associated with the use of data base machines are examined at three levels of detail: the user level, the system level and the device… (More)