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《Sichuan Journal of Physiological Sciences》 2017-03
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Clinical analysis of 16 slice spiral CT angiography in 34 cases of intracranial aneurysms

Xiang Bin;Chen Li-qiang;Department of Radiology,People′s Hospital of Wuhou District;  
Objective:To analyze the effect of 16 slice spiral CT angiography in the diagnosis of 34 patients with intracranial aneurysms.Methods:Thirty-four intracranial aneurysm patients admitted to our hospital from December 2014 to December 2016 confirmed with magnetic resonance angiography(MRA),digital subtraction angiography(DSA)were collected.The CT angiography images of 34 patients were compared with MRA and DSA images by a deputy director and two attending physicians.Results:Thirtytwo cases had an intracranial aneurysm and 2 cases had a negative diagnosis of MSCTA in the 34 patients.The diagnostic accuracy was 94.12%.MSCTA can clearly show the intracranial vasculatures from grade one to grade four,and the entire shapes and spatial structures of the aneurysms.Of the 32 patients with intracranial aneurysms,the numbers of anterior circulation aneurysms,posterior circulation aneurysms,subarachnoid hemorrhage,and cerebral infarction were 18,14,26 and 3,respectively.There were 7 cases with the anatomic variation of the posterior cerebral artery,the posterior communicating artery or the anterior communicating artery.Conclusion:The 16-slice spiral CT angiography in the diagnosis of 34 cases of intracranial aneurysms can clearly show the sizes shapes of the aneurysms and their surrounding structures,and the anatomic variation of the Willis artery ring.We found that the diagnostic value of 16-slice spiral CT Angiography was comparable to the DSA in diagnosis of intracranial aneurysms.As this technique can provide valuable reference for surgery or interventional therapy in patients with intracranial aneurysms,it should be applied in clinical practice.
【CateGory Index】: R743;R816.1
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