摘要
目的探讨异己手综合征(alien hand syndrome,AHS)的MRI应用价值,提高对AHS的临床认识。资料与方法回顾性分析5例AHS患者的临床特征及MRI表现资料,男3例,女2例,年龄38~58岁,平均46.2岁。所有患者均表现有不自主的手间不协调、竞争性冲突现象,还表现有不同程度的肢体无力、反应迟钝及言语障碍等症状。结果 MRI检查均提示胼胝体梗死,表现为斑片状及片状T1WI低信号、T2WI高信号,液体衰减反转恢复(FLAIR)上均为高信号,其中病灶位于胼胝体压部偏右侧1例,膝部偏左侧2例,单侧胼胝体全程受累2例,除胼胝体梗死外,部分患者还合并有其他部位的梗死灶。结论 MRI对于发现AHS"责任病灶"具有重要临床意义。
Objective To evaluate the clinical values of MR imaging in alien hand syndrome(AHS),and to improve the understanding of AHS.Materials and Methods MRI and clinical data of 5 patients with AHS were analyzed retrospectively,including 3 males and 2 females with aged 38 years to 58 years,mean age of 46.2 years.The symptoms of all patients included physically hypodynamia,reactional torpor and lalopathy,as well as the phenomenon of uncoordination between two hands and competitional conflicts.Results Corpus callosum infarcts were detected on MRI in all patients,which appeared low signal intensity on T1WI and high signal intensity on T2WI,and also high signal intensity on FLAIR sequence.The lesions were detected at right splenium in 1 case,left genu in 2 cases and diffuse to single-side of corpus callosum in 2 cases respectively.Conclusion MRI play an important role in detecting"responsible lesions"for AHS.
出处
《临床放射学杂志》
CSCD
北大核心
2010年第7期980-982,共3页
Journal of Clinical Radiology
关键词
磁共振成像
异己手综合征
Megnetic resonace imaging Alien-hand syndrome