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Diagnostic value of imaging for cerebral arteriovenous malformation

Qing Sun

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Abstract

Objective To evaluate the diagnostic value of MRI、CT、DSA for cerebral arteriovenous malformation(AVM). Methods A total of 40 case of AVM were examined with imaging methods in which 19 MRI, 30 CT and, 12 DSA. Combination of two or three kinds of eximinations were performed in 20 and 4, respectively. Results Diagnostic accordance rate rate of CT was 70%, sensitivity and specificity of MRI were 100% and 84% respectively, diagnostic accordance rate of DSA was 92%. Conclusion MRI,CT,DSA can play important roles in the diagnosis of AVM. MR and DSA are superior to CT. DSA could reveal the circulation time and the stealing blood situation of AVM and thus suggests the applicability of interventional embolization therapy.

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What this paper is about

Objective To evaluate the diagnostic value of MRI、CT、DSA for cerebral arteriovenous malformation(AVM). Methods A total of 40 case of AVM were examined with imaging methods in which 19 MRI, 30 CT and, 12 DSA. Combination of two or three kinds of eximinations were performed in 20 and 4, respectively. Results Diagnostic accordance rate rate of CT was 70%, sensitivity and specificity of MRI were 100% and 84% respectively, diagnostic accordance rate of DSA was 92%. Conclusion MRI,CT,DSA can play important roles in the diagnosis of AVM. MR and DSA are superior to CT. DSA could reveal the circulation time and the stealing blood situation of AVM and thus suggests the applicability of interventional embolization therapy.

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Available abstract

Objective To evaluate the diagnostic value of MRI、CT、DSA for cerebral arteriovenous malformation(AVM). Methods A total of 40 case of AVM were examined with imaging methods in which 19 MRI, 30 CT and, 12 DSA. Combination of two or three kinds of eximinations were performed in 20 and 4, respectively. Results Diagnostic accordance rate rate of CT was 70%, sensitivity and specificity of MRI were 100% and 84% respectively, diagnostic accordance rate of DSA was 92%. Conclusion MRI,CT,DSA can play important roles in the diagnosis of AVM. MR and DSA are superior to CT. DSA could reveal the circulation time and the stealing blood situation of AVM and thus suggests the applicability of interventional embolization therapy.

Key concepts: Medicine, Arteriovenous malformation, Radiology, Embolization, Magnetic resonance imaging, Nuclear medicine

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