Three-Dimensional Angiographic Evaluation of Middle Cerebral Artery Trunk Aneurysms: Demonstration of the Close Relationship Between the Early Frontal Cortical Branches and Lateral Lenticulostriate Arteries

摘要: Background For the treatment planning of a patient with middle cerebral artery (MCA) trunk aneurysm, understanding anatomic relationship among branching vessels, and lenticulostriate arteries (LSAs) is important. We aimed to demonstrate branching-vessel anatomy related an MCA aneurysm using 3-dimensional (3D) angiography. Methods retrospectively reviewed 3D angiographic findings 64 cases aneurysms workstation various postprocessing conditions. classified into 4 groups (early frontal cortical branch [EFCB], early temporal [ETCB], LSA, nonbranching aneurysms) analyzed between vessels LSAs. Results There were 30 EFCB aneurysms, 25 ETCB 7 LSA 2 aneurysms. Twenty-six (86.7%) shared common origins associated LSAs, but none were. Three 24 patients who received clipping for experienced postoperative infarction in territory. In these 3 patients, originated from was closely aneurysm. Conclusions have identified clinically important including show close Pretreatment identification origin LSAs obviate any perforator injury