MRI ARTIFACTS AND PREVENTING

Objective:To discuss the reason of MRI artifacts and its disposition.Methods:To analyse the style of MRI artifacts and reason retrospectively in application.Results:In familiar MRI artifacts,RF artifact,gradient artifact and Bo inhomogeneity artifact,if can not improve it after eliminating factor of environment,then need professional engineer estimate reason and maintain it;for motion artifact,chemical shift artifact and wrap around artifact,can use different way dispose it by demand of clinic.Conclusion:Understanding the reason of MRI artifacts and way of approaching them,it is very important to improve image quality and diagnosis rate.