Diagnostic Accuracy of Three-dimensional CT Angiography in Intracranial Aneurysms
Journal of the Korean Radiological Society
;
: 1035-1040, 1999.
Article
in Korean
| WPRIM
| ID: wpr-94477
ABSTRACT
PURPOSE:
To determine the accuracy of three-dimensional CT angiography(CTA) in the diagnosis of intracranialaneurysms. MATERIALS ANDMETHODS:
3D-CTA was performed in 46 consecutive patients with subarachnoid hemorrhage orsuspected intracranial aneurysm. Images were obtained using a helical CT scanner and the SSD techinque. 3D CTAfindings were reviewed retrospectively and independently in blind fashion by two neuroradiologists. Digitalsubtraction angiography(DSA) was used as the reference standard.RESULTS:
DSA revealed, in 36 patients, 40aneurysms ranging from 2mm to 12mm in maximal diameter, and negative findings in 10 patients. For observer 1, theaccuracy of 3D-CTA for all aneurysms and all patients was 85.2% and 82.7%, respectively. For observer 2, therespective figures were 94.6% and 91.9%. The agreement rates between the two observers were 86% for all aneurysmsand 87% for all patients (Kappa value 0.58, 0.59).CONCLUSION:
Three-dimensional CTA is a useful imagingtechnique for the diagnosis of intracranial aneurysms, with an accuracy of over 85%
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Silver Sulfadiazine
/
Subarachnoid Hemorrhage
/
Angiography
/
Intracranial Aneurysm
/
Retrospective Studies
/
Tomography, Spiral Computed
/
Diagnosis
/
Aneurysm
Type of study:
Diagnostic study
/
Observational study
Limits:
Humans
Language:
Korean
Journal:
Journal of the Korean Radiological Society
Year:
1999
Type:
Article
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