TY - JOUR
T1 - MRA volume rendering for surgical planning of unruptured intracranial cerebral aneurysms
AU - Narisawa, Ayumi
AU - Syamoto, Hiroshi
AU - Karibe, Hiroshi
AU - Shimizu, Hiroaki
AU - Fujiwara, Satoru
AU - Tominaga, Teiji
PY - 2005/3
Y1 - 2005/3
N2 - A volume rendering (VR) three-dimensional reconstruction method was applied to magnetic resonance angiography (MRA), to investigate its usefulness for surgical planning of unruptured cerebral aneurysms (ANs). Twelve cases with anterior communicating artery (Acom) ANs and 16 cases with middle cerebral artery (MCA) ANs underwent MRA VR, preoperatively. There were 10 male and 18 female patients, whose ages were ranged from 37 to 73 (mean 58) years old. Appearance of ANs and surrounding vascular structures on MRA VR was compared with that on maximum intensity projection (MIP) image, three-dimensional digital subtraction angiogram (3D-DSA), and intraoperative findings. In all cases, MRA VR delineated aneurysms more clearly compared to MIP. In MCA ANs, MRA VR provided enough information for surgical planning, compatible with 3D-DSA. In Acom ANs, MRA VR delineated bilateral A1, A2 and Acom complex simultaneously without temporary vascular occlusion. MRA VR may have a complementary role in preoperative evaluation of unruptured ANs with other modalities such as 3D-DSA.
AB - A volume rendering (VR) three-dimensional reconstruction method was applied to magnetic resonance angiography (MRA), to investigate its usefulness for surgical planning of unruptured cerebral aneurysms (ANs). Twelve cases with anterior communicating artery (Acom) ANs and 16 cases with middle cerebral artery (MCA) ANs underwent MRA VR, preoperatively. There were 10 male and 18 female patients, whose ages were ranged from 37 to 73 (mean 58) years old. Appearance of ANs and surrounding vascular structures on MRA VR was compared with that on maximum intensity projection (MIP) image, three-dimensional digital subtraction angiogram (3D-DSA), and intraoperative findings. In all cases, MRA VR delineated aneurysms more clearly compared to MIP. In MCA ANs, MRA VR provided enough information for surgical planning, compatible with 3D-DSA. In Acom ANs, MRA VR delineated bilateral A1, A2 and Acom complex simultaneously without temporary vascular occlusion. MRA VR may have a complementary role in preoperative evaluation of unruptured ANs with other modalities such as 3D-DSA.
KW - Magnetic resonance angiography
KW - Surgical planning
KW - Unruptured cerebral aneurysm
KW - Volume rendering
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M3 - Article
C2 - 15773313
AN - SCOPUS:15544375313
SN - 0301-2603
VL - 33
SP - 243
EP - 248
JO - Neurological Surgery
JF - Neurological Surgery
IS - 3
ER -