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  • Title: [3-dimension computed tomography angiography and digital subtraction angiography in diagnosis of intracranial aneurysm: a comparative study].
    Author: Yan SX, Yang TH, Fan YM, Tiao C, Jin S, Yin L.
    Journal: Zhonghua Yi Xue Za Zhi; 2007 Feb 27; 87(8):559-61. PubMed ID: 17459211.
    Abstract:
    OBJECTIVE: To compare the appliance values off 3-dimension computed tomography (CTA) and digital subtraction angiography (DSA) in diagnosis of intracranial aneurysm (ICA). METHODS: Eighty-six with subarachnoid hemorrhage underwent 2-D DSA, and 3-DCTA and 3-D DSA, both including maximum intensity projection (MIP) and multiple planner reconstruction (MPR), volume rending (VR). The accuracy, misdiagnosis rate, and missed diagnosis rate of these 3 techniques were compared. No significant complication was found. RESULTS: Ninety-four aneurysms were found in 74 patients. CTA examination obtained satisfactory MPR, MIP, and VR images in all patients. There was no significant difference in accuracy between 3D-DSA and 3D-CTA. In display of the aneurysm 3D-CTA was not significantly different from 2D-DSA in most cases. In display of the neck of aneurysm 3D-CTA was not significantly different from 3D-DSA, and these 3 techniques were both superior to 2D-DSA. CONCLUSION: 3D-CTA is the first choice examination technique for patients with subarachnoid hemorrhage. The information obtained by 2D-DSA, 3D-DSA, and 3D-CTA should be considered comprehensively.
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