Clinical research of DSA and 3D-CTA in intracranial aneurysms

[Objective] To evaluate the clinical accuracy of DSA and 3D-CTA(three diamensinal CT angiography) in diagnostic and treatment intracranial aneurysms. [Methods] 24 patients suspected with intracranial aneurysms underwent DSA and 3D-CTA, the other patients only underwent 3D-CTA. [Results] 26 patients suspected with 34 intracranial aneurysms, 28 aneurysms were detected DSA and 32 aneurysms were detected by 3D-CTA meanwhile, another 2 aneurysms only were detected by 3D-CTA. A total of 34 aneurysms underwent surgical treatment. [Conclusions] Although DSA still is the gold standard to diagnose the aneurysms, but 3D-CTA enables the surgeon to understand the 3D structure of intracranial aneurysms and is very useful in planning the surgical treatment on aneurysms.