Value of 64-slice 3D-CTA in diagnosis and surgical treatment of intracranial aneurysm

Objective In order to evaluate the clinic value of 3D-CTA, we compared 64-slice 3D-CTA with DSA in the diagnosis and surgery treatment of intracranial aneurysm. Methods Clinical records of 99 consecutive SAH patients admitted from September 2005 to December 2006 were reviewed. All of them were examined by 3D-CTA. To evaluate the clinic value of 3D-CTA, we adopt DSA or operative findings as the evaluation criterion. Results In 99 patients, 70 cases with intracranial aneurysm was found on CTA. Among the 70 aneurysm patients, 41 cases underwent DSA that confirmed the CTA findings in 40 cases. One case who was missed by DSA was confirmed by surgery. Conclusions 3D-CTA is a sensitive and specific modality for detecting and characterizing aneurysms and can demonstrate clearly the relative anatomy that is useful in option of manipulation and evaluation of difficulties in treatment of aneurysms.