Methods Incommodious bile duct was restored by making gallbladder one (lamella) with cystic artery into half-cannular or cannular gallbladder one (lamella).
The lesions can be showed as arteriitis,arteriectasis,aneurysm and arterial stenosis stenosis..Ultrasonic cardiography is the first choice to detect the lesions.
Objective To introduce experience of ambilateral posterior communicating aneurysms(PcoAA)that treated by micrurgy, and discussed its operating modus and operating juncture.