Fusion of magnetic resonance angiography and magnetic resonance imaging for surgical planning for meningioma--technical note.
A fusion technique for magnetic resonance (MR) angiography and MR imaging was developed to help assess the peritumoral angioarchitecture during surgical planning for meningioma. Three-dimensional time-of-flight (3D-TOF) and 3D-spoiled gradient recalled (SPGR) datasets were obtained from 10 patients with intracranial meningioma, and fused using newly developed volume registration and visualization software. Maximum intensity projection (MIP) images from 3D-TOF MR angiography and axial SPGR MR imaging were displayed at the same time on the monitor. Selecting a vessel on the real-time MIP image indicated the corresponding points on the axial image automatically. Fusion images showed displacement of the anterior cerebral or middle cerebral artery in 7 patients and encasement of the anterior cerebral arteries in 1 patient, with no relationship between the main arterial trunk and tumor in 2 patients. Fusion of MR angiography and MR imaging can clarify relationships between the intracranial vasculature and meningioma, and may be helpful for surgical planning for meningioma.
Kashimura
Hiroshi
H
Department of Neurosurgery, Iwate Medical University School of Medicine, Morioka, Iwate, Japan. hkashi@iwate-med.ac.jp
Ogasawara
Kuniaki
K
Arai
Hiroshi
H
Beppu
Takaaki
T
Inoue
Takashi
T
Takahashi
Tsutomu
T
Matsuda
Koichi
K
Takahashi
Yujiro
Y
Fujiwara
Shunrou
S
Ogawa
Akira
A
D000328:Adult; D000368:Aged; D001932:Brain Neoplasms / Q000601:surgery*; D005260:Female; D006801:Humans; D018810:Magnetic Resonance Angiography / Q000379:methods*; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008297:Male; D008579:Meningioma / Q000601:surgery*; D008875:Middle Aged; D010347:Patient Care Planning; D012984:Software; D025321:Surgery, Computer-Assisted / Q000379:methods*