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标题:Recovery of injured arcuate fasciculus in the dominant hemisphere in a patient with an intracerebral hemorrhage.
时间:2020-01-14 23:09:47
DOI:10.1097/PHM.0000000000000202
PMID:25299531
作者:Jang, Sung Ho; Lee, Han Do
关键词:Diffusion tensor imaging; Diffusion tensor tractography; Arcuate fasciculus; Aphasia
出版源: 《American Journal of Physical Medicine & Rehabi... ,93 (12) :e15-e18
摘要:This study reports on a patient with an intracerebral hemorrhage who showed recovery of an injured arcuate fasciculus (AF) in the dominant hemisphere, using follow-up diffusion tensor tractography. A 43-year-old right-handed man presented with severe aphasia and hemiparesis resulting from a spontaneous intracerebral hemorrhage in the left parietotemporal lobes. The patient showed severe aphasia at 1 month after onset, with an aphasia quotient of 5% on the Korean-Western Aphasia Battery. He underwent comprehensive rehabilitative therapy until 22 months after onset and his aphasia showed improvement, with an aphasia quotient of 58% on the Korean-Western Aphasia Battery. On 1-month diffusion tensor tractography, only the thin ascending part of the left AF from the Wernicke area remained. In contrast, on 16-month diffusion tensor tractography, the injured left AF was thickened and elongated to around the left Broca area; however, discontinuation of the left AF was observed around the left Broca area, and this continuation was elongated to the left Broca area on 22-month diffusion tensor tractography. This study reports on a patient who showed recovery from injury of the left AF along with improvement of aphasia. Recovery of the injured AF in the dominant hemisphere appears to be one of the mechanisms for recovery from aphasia.
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