發(fā)布時(shí)間：2018-01-14 03:33

  本文關(guān)鍵詞：基底節(jié)鐵沉積差異的SWI研究:不同利手者間的差異　出處：《中國(guó)醫(yī)學(xué)計(jì)算機(jī)成像雜志》2017年01期 　論文類型：期刊論文

  更多相關(guān)文章： 磁共振成像 磁敏感加權(quán)成像 鐵沉積 左利手 右利手

【摘要】：目的:使用磁敏感加權(quán)成像(SWI)探討左、右、混合利手人群鐵沉積的差異。方法:共有87個(gè)正常人(年齡20~45歲,46例男,41例女)入組,分三組:右利手(51例),左利手(19例)或混合(17例)。磁共振檢查包括常規(guī)和SWI序列,采用相位圖量化鐵沉積在尾狀核頭部和豆?fàn)詈说慕腔《炔町?并進(jìn)行各組間比較。結(jié)果:左豆?fàn)詈藚^(qū)鐵沉積:左利手明顯低于右利手(P0.001)和混合手(P=0.006),后兩者間沒有顯著差異(P=0.545);右豆?fàn)詈藚^(qū)鐵沉積:右利手低于左利手組(P0.001),其余之間無差異(P=0.07,0.121)。雙側(cè)尾狀核頭區(qū)鐵沉積各組間未見顯著性差異。結(jié)論:成人豆?fàn)詈髓F沉積因利手不同而有顯著性差異,左側(cè)豆?fàn)詈艘宰罄终咦畹?右側(cè)豆?fàn)詈艘彩怯依值陀谧罄?而尾狀核頭部鐵沉積則無此種差異。
[Abstract]:Objective: to study the difference of iron deposition among left, right and mixed hands by magnetic sensitivity weighted imaging (SWI). Methods: a total of 87 normal subjects (46 males and 41 females aged 20 to 45 years) were enrolled in the study. The patients were divided into three groups: right handedness (51 cases), left handedness (19 cases) or mixed herniation (17 cases). Mr examination included routine and SWI sequences. The angular radians of iron deposited on the head of caudate nucleus and lentiform nucleus were quantified by phase map. Results: iron deposition in the left lenticular nucleus was significantly lower in the left hand than that in the right hand (P 0.001) and in the mixed hand (P 0.006). There was no significant difference between the latter two. Iron deposition in the right lenticular nucleus was lower in the right hand group than in the left hand group (P 0.001), but there was no difference between the other groups (P < 0.07). There was no significant difference in iron deposition between groups in bilateral caudate nucleus head region. Conclusion: there was significant difference in iron deposition in adult lentiform nucleus due to the difference of hands, and the left lentiform nucleus was the lowest in left lentiform nucleus. The right lentiform nucleus was also lower in the right hand than in the left hand, but the iron deposition in the head of the caudate nucleus had no such difference.
【作者單位】： 南通大學(xué)附屬醫(yī)院放射科;
【分類號(hào)】：R445.2;R741
【正文快照】： 左利手和右利手者在大腦結(jié)構(gòu)和功能方面有何不同?是否存在著左利手者更善于利用潛在的右側(cè)大腦的運(yùn)作,以及對(duì)情緒、運(yùn)動(dòng)、認(rèn)知等的影響?這些類似的問題正在引起越來越多的關(guān)注。磁共振成像(MRI)近幾年發(fā)展快速,可以更好地幫助我們了解神經(jīng)系統(tǒng)的情況。研究人員開始嘗試著分析

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本文編號(hào)：1421865