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《Journal of Clinical Radiololgy》 2004-03
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Multi-slice CT Cerebral Angiography: Clinical Application of Volume Rendering Technique

LI Xiaobing *, TIAN Jianming, WANG Peijun, et al. *Department of Radiology, No.2 People's Hospital, Suzhou, Jiangsu Province 215002, P. R. China  
Objective To evaluate volume rendering (VR) technique of multi-slice CT cerebral angiography in clinical practice.Materials and Methods Using 1mm collimation and 1mm slice thickness, multi-slice CT angiography was performed in 36 patients with suspected cerebral tumor or vascular disorder. 3D reconstruction, including VR, was carried out. Image quality was evaluated.Results The diagnoses were proved by DSA or pathology in all patients, which included cerebral tumors (n=19), cerebral aneurysms (n=6), arteriovenous malformations (AVM, n=8) and normal findings (n=3). VR images well displayed the size, shape of the tumor, and the stereoscopic relationship of the tumor with the vessels and skull. The site, size and width of the aneurysms as well as the size, shape and feeding arteries of AVM could be clearly demonstrated on VR images.Conclusion Multi-slice helical CT VR imaging can well visualize the relationship of the intracranial lesions with the vessels, providing clinicians with more important information very useful in guiding the operation.
【CateGory Index】: R816.1
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