一名患有创伤性脑肿胀婴儿的扩散张量成像
Diffusion tensor imaging in an infant with traumatic brain swelling.
作者信息
Field Aaron S, Hasan Khader, Jellison Brian J, Arfanakis Konstantinos, Alexander Andrew L
机构信息
Department of Radiology, University of Wisconsin Medical School, Madison, Wisconsin 53792-3252, USA.
出版信息
AJNR Am J Neuroradiol. 2003 Aug;24(7):1461-4.
Abstract
We present the case of a 14-month-old male infant who underwent diffusion tensor imaging within 24 hours of traumatic brain injury. Although conventional MR findings that included those of diffusion-weighted imaging were unremarkable, full-tensor diffusion imaging revealed striking abnormalities in regions of brain that subsequently developed overt swelling. This case engenders important hypotheses regarding mechanisms of traumatic brain swelling and anisotropic diffusion of water in pathologic tissues.
摘要
我们报告一例14个月大的男婴，其在创伤性脑损伤后24小时内接受了扩散张量成像。尽管包括扩散加权成像在内的传统磁共振成像结果并无异常，但全张量扩散成像显示，随后出现明显肿胀的脑区存在显著异常。该病例引发了关于创伤性脑肿胀机制以及病理组织中水的各向异性扩散的重要假设。
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