Objective To evaluate the application of 3D DSA in diagnosis of intracranial aneurysm. Methods Conventional DSA and 3D DSA were performed in 15 cases with subarachnoid hemorrhage. Results Of 15 cases, by 3D DSA, 12 ones were diagnosed as intracranial aneurysm, and the remaining 3 ones were suspected, while 7 ones could be diagnosed by conventional DSA. Conclusion 3D DSA can improve the diagnosis of intracranial aneurysm.
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