[Microsurgical treatment of proximal anterior cerebral artery aneurysms].

Objective: To explore clinic characteristics of proximal anterior cerebral artery aneurysms and analyzed operative techniques.

Methods: A review was performed of a total of 362 patients whose aneurysms were surgically treated from June 1995 to December 2003, the morbidity of A(1) aneurysms was 2.2%.

[Surgical treatment of gliomas involving the supplementary motor area in the superior frontal gyrus].

Objective: To explore surgical treatment of gliomas involving the supplementary motor area (SMA) in the superior frontal gyrus.

Methods: Clinical data and follow-up outcome of 16 patients with low graded astrocytomas involving the supplementary motor area were analyzed.

Results: SMA syndrome was developed in 6 patients in whom the posterior tumor resection line was at a distance of more than 1 cm from the precentral sulcus and resolved after 12 months.