磁共振成像
磁共振成像
자공진성상
CHINESE JOURNAL OF MAGNETIC RESONANCE IMAGING
2014年
3期
178-181
,共4页
洪璧楷%代海洋%林枫枫%吴仁华
洪璧楷%代海洋%林楓楓%吳仁華
홍벽해%대해양%림풍풍%오인화
脉络膜肿瘤%磁共振成像
脈絡膜腫瘤%磁共振成像
맥락막종류%자공진성상
Choroidal neoplasms%Magnatic resonance imaging
目的:评价MRI检查对脉络膜黑色素瘤的诊断价值。材料与方法采用GE 1.5 T MR扫描仪对23例疑诊脉络膜黑色素瘤患者进行眼眶常规MRI平扫及增强检查,所有患者行手术治疗并取得病理诊断。结果23例患者中共18例经病理诊断证实为脉络膜黑色素瘤,其中16例瘤体T1WI显示稍高或高信号,2例为不均匀混杂信号,T2WI均显示为低信号,T2抑脂序列均为低信号。MRI检查对脉络膜黑色素瘤诊断的敏感度和特异度分别为83.3%和65.2%。结论脉络膜黑色素瘤具有MRI有特征性信号表现,MRI检查对诊断脉络膜黑色素瘤具有较好的诊断价值。
目的:評價MRI檢查對脈絡膜黑色素瘤的診斷價值。材料與方法採用GE 1.5 T MR掃描儀對23例疑診脈絡膜黑色素瘤患者進行眼眶常規MRI平掃及增彊檢查,所有患者行手術治療併取得病理診斷。結果23例患者中共18例經病理診斷證實為脈絡膜黑色素瘤,其中16例瘤體T1WI顯示稍高或高信號,2例為不均勻混雜信號,T2WI均顯示為低信號,T2抑脂序列均為低信號。MRI檢查對脈絡膜黑色素瘤診斷的敏感度和特異度分彆為83.3%和65.2%。結論脈絡膜黑色素瘤具有MRI有特徵性信號錶現,MRI檢查對診斷脈絡膜黑色素瘤具有較好的診斷價值。
목적:평개MRI검사대맥락막흑색소류적진단개치。재료여방법채용GE 1.5 T MR소묘의대23례의진맥락막흑색소류환자진행안광상규MRI평소급증강검사,소유환자행수술치료병취득병리진단。결과23례환자중공18례경병리진단증실위맥락막흑색소류,기중16례류체T1WI현시초고혹고신호,2례위불균균혼잡신호,T2WI균현시위저신호,T2억지서렬균위저신호。MRI검사대맥락막흑색소류진단적민감도화특이도분별위83.3%화65.2%。결론맥락막흑색소류구유MRI유특정성신호표현,MRI검사대진단맥락막흑색소류구유교호적진단개치。
Objective: To analyze the value of MRI in diagnosis of choroidal melanoma. Materials and Methods: 23 cases of suspected diagnosis of choroidal melanoma were selected. Before operations, MRI examination including plain scan and enhanced scan were performed on all patients. The sensitivity and speciifcity of MRI were analyzed. Results:Sixteen of the lesions suspected of being choroidal melanomas were found to be hyperintense relative to vitreous on T1WI and hypointense on T2WI. The sensitivity and speciifcity of MRI was 83.3%and 65.2%respectively. Conclusions:This small retrospective study demonstrates that MRI detects the characteristic signals of choroidal melanoma. MRI is a valuable imaging technique in diagnosis of choroidal melanoma.