Objective:To explore the usefulness of multishot diffusion tensor imaging(DTI)for evaluating the neurological function of patients with spinal cord tumors Methods:Routine magnetic resonance imaging and multishot DTI w...Objective:To explore the usefulness of multishot diffusion tensor imaging(DTI)for evaluating the neurological function of patients with spinal cord tumors Methods:Routine magnetic resonance imaging and multishot DTI were performed in five patients with spinal cord tumors.The values of fractional anisotropy(FA)and radial diffusivity(RD)were analyzed.Results:Multishot DTI of spinal cord tumors allowed for defining the margins of tumors and determining the relationship of tumors with the adjacent white matter structures of the spinal cord.Multishot DTI demonstrated significantly increased RD and decreased FA of spinal cord tumors compared with those of the normal spinal cord.Conclusions:Multishot DTI is a potentially useful modality for differentiating resectable tumors from nonresectable ones based on preoperative imaging alone as well as for differentiating intramedullary tumors from extramedullary ones.Further prospective studies are warranted to confirm these results.展开更多
文摘Objective:To explore the usefulness of multishot diffusion tensor imaging(DTI)for evaluating the neurological function of patients with spinal cord tumors Methods:Routine magnetic resonance imaging and multishot DTI were performed in five patients with spinal cord tumors.The values of fractional anisotropy(FA)and radial diffusivity(RD)were analyzed.Results:Multishot DTI of spinal cord tumors allowed for defining the margins of tumors and determining the relationship of tumors with the adjacent white matter structures of the spinal cord.Multishot DTI demonstrated significantly increased RD and decreased FA of spinal cord tumors compared with those of the normal spinal cord.Conclusions:Multishot DTI is a potentially useful modality for differentiating resectable tumors from nonresectable ones based on preoperative imaging alone as well as for differentiating intramedullary tumors from extramedullary ones.Further prospective studies are warranted to confirm these results.
