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Journal of Korean Neurosurgical Society 1996;25(10): 2017-2023.
Comparison between CT Angiography and Conventional Angiography in the Diagnosis of Intracrnial Aneurysms.
Sang Hyun Song, Soo Han Yoon, Young Hwan Ahn, Young Min Ahn, Ki Hong Cho, Kyung Gi Cho, Sun Yong Kim, Jung Ho Seo
1Department of Neurosurgery, Capital Armed Forces General Hospital, Seoul, Korea.
2Department of Neurosurgery, Ajou University, College of Medicine, Suwon, Korea.
3Department of Diagnostic Radiology, Ajou University, College of Medicine, Suwon, Korea.
Cerebral angiography has been essential for the diagnosis of the intracranial aneurysms but, is sometimes accompanied by serious complications. Resolution of CT angiography was up-graded greatly to represent the three-demensional structure of vessels since helical CT had been introduced. We have compred 26 cases of CT angiography and 28 cases of conventional angiography in terms of specificity and sensitivity for the diagnosis, detectable aneurysm diameter, configurational diagnosis and diagnostic confidency. All results showed no statistical difference between CT angiography and conventional angiography. These should suggest that CT angiography could be replaced with conventional angiography for the diagnosis of ruptured aneurysms and even of unruptured aneurysms, resulting in the introduction of first screening modality of unruptured aneurysms.
Key Words: Intracranial aneurysm; CT angiography; Conventional angiography; Helical CT
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