Evaluation of Magnetic Resonance Imaging using Image Co-registration in Stereotactic Radiosurgery

Abstract

The purpose of this study is to confirm the safety of the clinical application of image co -registration in steteotactic radiosurgery by evaluating the 3D positioning of magnetic resonance imaging using image coregistration. We performed a retrospective study using three-dimensional coordinate measurement of 32 patients who underwent stereotactic radiosurgery and performed magnetic resonance imaging follow-up using image co-registration. The 3 dimensional coordinate errors were 1.0443 ± 0.5724 ㎜ (0.10 ~ 1.89) in anterior commissure and 1.0348 ± 0.5473 ㎜ (0.36 ~ 2.24) in posterior commissure. The mean error of MR1 (3.0 T) was lower than that of MR2 (1.5 T). It is necessary to minimize the error of magnetic resonance imaging in the treatment planning using the image co -registration technique and to confirm it.