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| Application value of CT perfusion-derived arteriograms in cranial arteriovenous shunting lesions |
| GENG Yue1, ZENG Meng-su2, WANG Jian2 |
1. Eye and ENT Hospital of Fudan University, Shanghai 200031, China;
2. Zhongshan Hospital of Fudan University, Shanghai 200032, China |
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Abstract Objective: To explore the clinical application value of CT perfusion-derived arteriograms(CTPa) in cranial arteriovenous shunting lesions. Methods: Twenty-six cases, diagnosed of cranial arteriovenous shunting lesions by CTPa were included in this retrospective study. The location, size and angioarchitecture of the lesions were analyzed from the CTPa images. Using DSA images as the gold standard, the diagnostic and following-up accuracy of CTPa were evaluated in 17 cases. Results: There were 18 arteriovenous malformation cases and 8 arteriovenous fistula cases. CTPa could clearly show the angioarchitecture details of the lesions, including location, feeding arteries, draining veins and dynamic blood flow information. The diagnostic results of CTPa in 17 cases were consistent with those of DSA, but CTPa missed 1(1/21) feeding artery and 3(3/23) draining veins in three cases. Conclusion: Although some fine angioarchitectural details were missed when compared to DSA, CTPa was sufficiently accurate to diagnose the shunt. CTPa can be a valuable adjunct in the diagnosis of cranial arteriovenous shunting lesions.
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Received: 10 November 2016
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