개두술에서는 날카롭고 둔탁한 절개를 조합하여 실비안 열구를 넓게 분할하고 기저 수조를 열어 중뇌동맥을 완전히 노출시켰다.
At craniotomy, the sylvian fissure was widely split using a combination of sharp and blunt dissection, and the basal cisterns were opened to fully expose the middle cerebral artery.