Oppenheim C, Touzé E, Poupon C, Mas J-L, Méder J-F
Département d'Imagerie Morphologique et Fonctionnelle, Université Paris V, Centre Hospitalier Sainte-Anne, Paris, France.
Rev Neurol (Paris). 2003 Jul;159(6-7 Pt 1):670-2.
Diffusion tensor imaging allows a 3D analysis of water molecular motion and an exploration of white matter tracts integrity and orientation. We report a diffusion tensor study of wallerian degeneration of the corticospinal tract following a capsulo-lenticular hemorrhage in a 49-year old man. Reduced anisotropy (loss of fiber coherence) with preserved diffusivity of the damaged corticospinal tract was observed. This highlights the feasibility of diffusion tensor imaging on clinical MR units and its ability to quantify the degree of white matter tract destruction.
扩散张量成像可对水分子运动进行三维分析，并探究白质纤维束的完整性和方向。我们报告了一名49岁男性在发生豆状核-内囊出血后皮质脊髓束华勒氏变性的扩散张量研究。观察到受损皮质脊髓束的各向异性降低（纤维连贯性丧失）而扩散率保留。这突出了在临床磁共振设备上进行扩散张量成像的可行性及其量化白质纤维束破坏程度的能力。
