MRI在四肢骨巨细胞瘤检查中的作用  

The Rule of Magnetic Resonance Imaging in the Examination of Giant Cell Tumor of Limb Bone

作　　者：周海[1] 曹亚丽[1] 徐冰[1] 杨蓉[1] 徐晓彤[1] 

机构地区：[1]首都医科大学附属北京天坛医院放射科

出　　处：《首都医科大学学报》1999年第1期40-42,共3页Journal of Capital Medical University

摘　　要：为探讨ＭＲＩ在四肢骨肿瘤检查中的作用，对８例四肢骨肿瘤病人同时行ＭＲＩ、ＣＴ和Ｘ线平片检查，并将影像资料与术后病理结果对比分析。结果：５例ＭＲＩＴ１ＷＩ均呈均匀低信号，Ｔ２ＷＩ呈高信号；３例Ｔ１和Ｔ２ＷＩ呈混杂信号。１例Ｘ线平片和ＣＴ术前表现为骨巨细胞瘤，ＭＲＩ呈动脉瘤性骨囊肿表现。ＣＴ和Ｘ线平片均表现为限局性骨质破坏，呈膨胀性，骨皮质变薄或消失。结果表明，ＭＲＩ在显示肿瘤基质、肿瘤内出血和坏死、肿瘤在髓内范围及其周围情况方面较优越，ＣＴ在显示骨质破坏、轻度骨膜反应方面较优越。Eight cases of bone tumor were examined by MRI, CT and plain film. 5 cases MRI showed low signal intensity on T 1 WI and high signal intensity on T 2 WI. 3 cases of MRI showed mixed signal intensity on T 1 and T 2 WI. CT and plain film both showed cortical thinning and destruction. These results shown that MRI was superior to CT and plain film in demonstrating areas of tissue inhomogeneity within the tumor as well as soft tissue extension. CT was superior in demonstrating cortical destraction and subtal reation.

关 键 词：骨巨细胞瘤 四肢 磁共振成像 

分 类 号：R738.104[医药卫生—肿瘤] R730.44[医药卫生—临床医学]