Diffusion Tensor Imaging and Fiber Tractography of Pediatric Posterior Fossa Malformations
Learning Objective: To recognize the utility of diffusion tensor imaging and fiber tractography to study malformations of the posterior fossa and highlight the additional information that diffusion tensor imaging and fiber tractography may provide compared with conventional MR imaging sequences.
Keywords: 2D = 2 dimensional; 3D = 3 dimensional; AD = axial diffusivity; ADC = apparent diffusion coefficient; CI = Chiari type I malformation; CII = Chiari type II malformation; CIII = Chiari type III malformation; CSF = cerebrospinal fluid; CST = corticospinal tract; DEC = directionally encoded color; DTI = diffusion tensor imaging; DWI = diffusion weighted imaging; DWM = Dandy-Walker malformation; FA = fractional anisotropy; FLAIR = fluid attenuated inversion recovery; FOV = field of view; FT = fiber tractography; ICP = inferior cerebellar peduncle; JS = Joubert syndrome; MCP = middle cerebellar peduncle; MD = mean diffusivity; ML = medial lemniscus; MR = magnetic resonance; PCH = pontocerebellar hypoplasia; PTCD = pontine tegmental cap dysplasia; RD = radial diffusivity; SCP = superior cerebellar peduncle; TE = echo time; TPF = transverse pontine fiber; TR = repetition time
Document Type: Research Article
Publication date: July 1, 2017
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