中国CT和MRI杂志
中國CT和MRI雜誌
중국CT화MRI잡지
CHINESE JOURNAL OF CT AND MRI
2014年
6期
12-15
,共4页
张玉东%廖华强%张明星%刘付君%钟树清%谢明国
張玉東%廖華彊%張明星%劉付君%鐘樹清%謝明國
장옥동%료화강%장명성%류부군%종수청%사명국
磁敏感加权成像%脑梗塞%颅内微出血
磁敏感加權成像%腦梗塞%顱內微齣血
자민감가권성상%뇌경새%로내미출혈
Susceptibility Weighted Imaging%Lacunar Infarction%Cerebral Microbleeds
目的:应用磁敏感加权(SWI)技术检测腔隙性脑梗塞患者中脑微出血(CMBs)病变,评估SWI序列在检测腔隙性脑梗塞患者微出血的价值。材料与方法收集50例腔隙性梗塞患者,同时收集同期50例健康成人作为对照组,共100例。两组均行颅脑常规磁共振(包括T2WI、T2FLAIR、T1FLAIR)及SWI检查。图像评价:对常规序列及SWI显示CMBs的例数、部位、数量及阳性率进行统计学分析,对SWI及常规序列上腔隙性梗塞灶数目与微出血灶严重程度进行Spearman秩相关分析。结果24例腔隙性梗塞在SWI序列清楚显示CMBs病灶,仅3病例在T1WI序列显示,5病例在T2WI上显示,SWI、常规T2WI及T1WI序列比较有统计学意义(P<0.05)。在SWI序列中,对照组、腔隙性梗塞组的微出血阳性率及微出血灶数目均有统计学意义(P<0.01);在腔隙性梗塞组中,腔隙性梗塞数目与微出血灶的严重程度呈正相关。结论 SWI序列显示腔隙性梗塞患中微出血灶优于常规序列,对腔隙性梗塞患者怀疑脑内有微出血时,SWI序列应作为首选检查方法。
目的:應用磁敏感加權(SWI)技術檢測腔隙性腦梗塞患者中腦微齣血(CMBs)病變,評估SWI序列在檢測腔隙性腦梗塞患者微齣血的價值。材料與方法收集50例腔隙性梗塞患者,同時收集同期50例健康成人作為對照組,共100例。兩組均行顱腦常規磁共振(包括T2WI、T2FLAIR、T1FLAIR)及SWI檢查。圖像評價:對常規序列及SWI顯示CMBs的例數、部位、數量及暘性率進行統計學分析,對SWI及常規序列上腔隙性梗塞竈數目與微齣血竈嚴重程度進行Spearman秩相關分析。結果24例腔隙性梗塞在SWI序列清楚顯示CMBs病竈,僅3病例在T1WI序列顯示,5病例在T2WI上顯示,SWI、常規T2WI及T1WI序列比較有統計學意義(P<0.05)。在SWI序列中,對照組、腔隙性梗塞組的微齣血暘性率及微齣血竈數目均有統計學意義(P<0.01);在腔隙性梗塞組中,腔隙性梗塞數目與微齣血竈的嚴重程度呈正相關。結論 SWI序列顯示腔隙性梗塞患中微齣血竈優于常規序列,對腔隙性梗塞患者懷疑腦內有微齣血時,SWI序列應作為首選檢查方法。
목적:응용자민감가권(SWI)기술검측강극성뇌경새환자중뇌미출혈(CMBs)병변,평고SWI서렬재검측강극성뇌경새환자미출혈적개치。재료여방법수집50례강극성경새환자,동시수집동기50례건강성인작위대조조,공100례。량조균행로뇌상규자공진(포괄T2WI、T2FLAIR、T1FLAIR)급SWI검사。도상평개:대상규서렬급SWI현시CMBs적례수、부위、수량급양성솔진행통계학분석,대SWI급상규서렬상강극성경새조수목여미출혈조엄중정도진행Spearman질상관분석。결과24례강극성경새재SWI서렬청초현시CMBs병조,부3병례재T1WI서렬현시,5병례재T2WI상현시,SWI、상규T2WI급T1WI서렬비교유통계학의의(P<0.05)。재SWI서렬중,대조조、강극성경새조적미출혈양성솔급미출혈조수목균유통계학의의(P<0.01);재강극성경새조중,강극성경새수목여미출혈조적엄중정도정정상관。결론 SWI서렬현시강극성경새환중미출혈조우우상규서렬,대강극성경새환자부의뇌내유미출혈시,SWI서렬응작위수선검사방법。
Objective To evaluate the value of detecting cerebral microbleeds in patients with lacunar infarction by susceptibility weighted imaging(SWI) and conventional FSE sequences.Materials and Methods The study sample consisted of 50 patients and 50 cases healthy population, were examined using SWI and conventional FSE sequences by GE 3.0 T MR machine with 32 tunnel HR head coil. The number, frequency and locations of CMBs were analyzed by SWI and FSE. The value of SWI and FSE sequences in founding CMBs were compared. The number of CMBs in patients with lacunar infarction and the number of lacunar infarction. were analyzed.Results 24 cases patients with CMBs on SWI were founded in 50 cases patients with lacunar infarction, 5 cases patients on T2WI were founded in 24 cases patients with CMBs on SWI, only 3 cases patients on T1WI were founded. On SWI sequences, compared with the controls subjects and patients with CMBs of lacunar infarction had significant increased positive rate and numbers of CMBs (P<0.01). There was a correlation between the number of CMBs in patients with lacunar infarction and the number of lacunar infarction.Conclusion SWI sequence was much better than FSE, SWI sequence is more sensitive than FSE in detecting CMBs and should be as the first choice.