CAJ | 학술논문

目的探讨磁敏感加权成像(SWI)的特点与评估胶质瘤级别的作用.方法 45例经手术病理证实的脑胶质瘤患者术前行平扫磁共振成像(MRI)、增强MRI和SWI检查.采用双盲法对T1WI、T2WI、增强T1WI、SWI、增强SWI等方法对肿瘤、瘤周水肿、肿瘤出血及肿瘤静脉显示上进行评分,利用测量软件对肿瘤低信号区进行体积测量,评估肿瘤的出血量.结果 26例高级别胶质瘤中18例瘤内出现不同程度多发斑片状、索状低信号,病理学证实为瘤内出血及瘤内血管;19例低级别胶质瘤中10例瘤内出现少许斑点、线状低信号,病理证实为瘤内出血;高级别胶质瘤出血量明显高于低级别组(P<0.05).在肿瘤出血与肿瘤静脉的显示上,SWI明显优于T1WI、T2WI(P<0.05).结论不同级别胶质瘤的SWI表现有明显差异,SWI有助于对胶质瘤术前进行分级.
목적 탐토자민감가권성상(SWI)적특점여평고효질류급별적작용.방법 45례경수술병리증실적뇌효질류환자술전행평소자공진성상(MRI)、증강MRI화SWI검사.채용쌍맹법대T1WI、T2WI、증강T1WI、SWI、증강SWI등방법대종류、류주수종、종류출혈급종류정맥현시상진행평분,이용측량연건대종류저신호구진행체적측량,평고종류적출혈량.결과 26례고급별효질류중18례류내출현불동정도다발반편상、색상저신호,병이학증실위류내출혈급류내혈관;19례저급별효질류중10례류내출현소허반점、선상저신호,병리증실위류내출혈;고급별효질류출혈량명현고우저급별조(P<0.05).재종류출혈여종류정맥적현시상,SWI명현우우T1WI、T2WI(P<0.05).결론 불동급별효질류적SWI표현유명현차이,SWI유조우대효질류술전진행분급.
Objective To study the characteristics of susceptibility weighted imaging (SWI) and it's role in glioma classfication. Methods 45 glioma patients with pathologically confirmion, underwent preopera-tive plain MRI, enhanced MRI and SWI examination. By using double blind method, the score of T1 WI, T2WI, enhanced T1 WI, SWI and enhanced SWI were acquired to display enhancing tumor, peritumoral edema, tumor hemorrhage and tumor vein. The tumor volume of low signal areas was measured by using measurement software to acquire the bleeding of tumor. Results In 26 cases of high grade gliomas,18 patients with intratu-moral, multiple patchy low signal cords in varying degrees, which were proved by pathology as tumor hemorrhage and tumor blood vessels; in 19 case of low grade gliomas, 10 cases occured a few spots, linear low signal in tumor, which were proved by pathology as tumor hemorrhage; the bleeding of high grade gliomas was higher than that of the low level group ( P < 0.05 ). SWI was superior to T, WI, T2 WI on displaying tumor hemorrhage and tumor vein(P<0. 05). Conclusion Different grades of glioma show obvious different display on SWI, and SWI probably be helpful for evaluation of glioma grading preoperatively.