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磁共振信号特征与垂体腺瘤质地的关系 被引量:10

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摘要 目的探讨磁共振平扫的信号特征与垂体腺瘤质地的关系。方法112例经手术和病理确诊的垂体腺瘤根据手术中肿瘤的质地分为3组:质软组(A组,78例),质中等组(B组,15例)和质韧组(C组,19例),所有病例术前均行磁共振扫描,通过JW-PACS影像工作站测量MR值,分别计算T2加权成像的瘤体/灰质比值(T/G)和瘤体/脑脊液比值(T/C)。结果3组的T/G分别为1.643±0.079,1.328±0.086,0.973±0.050,其差异有统计学意义(P=0.000);T/C分别为0.755±0.052,0.623±0.047,0.472±0.050,其差异均有统计学意义(P=0.000)。结论术前磁共振T2WI的信号强度可区分垂体腺瘤的质地,对判断手术难度和预后及选择手术入路有重要意义。
出处 《中国神经精神疾病杂志》 CAS CSCD 北大核心 2007年第9期548-550,共3页 Chinese Journal of Nervous and Mental Diseases
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参考文献8

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