摘要
目的评价磁共振全身弥散成像(WB-DWI)与同位素全身骨扫描(ECT)对全身骨转移的检测价值。方法选择经临床确诊的恶性肿瘤骨转移30例(肺癌18例、前列腺癌12例)作为研究对象。采用WB-DWI及ECT对全身扫描,结合骨转移部位MRI扫描(取T1、T2加权像及脂肪抑制技术STIR)。WB-DWI及ECT检查间隔时间小于2周。结果 30例中,WB-DWI、ECT检出骨转移部位相同。WB-DWI检出脊柱转移23例(76.7%),骨盆转移14例(46.7%),肋骨转移6例(20.0%),肱骨转移4例(13.3%),股骨转移6例(20.0%)。ECT检出脊柱转移19例(63.3%),骨盆转移11例(36.7%),肋骨转移5例(16.7%),肱骨转移4例(13.3%),股骨转移6例(20.0%)。WB-DWI与ECT对脊柱、肱骨、股骨转移检测无差异(P>0.05),对骨盆、肋骨转移检测有差异(P<0.05)。结论 WB-DWI、ECT两种方法对骨转移均敏感,相比之下,WB-DWI对骨转移检出率、定位、定量准确性较ECT为高。
Objective To evaluate the value of magnetic resonance in whole body-diffusion weight imaging（WB-DWI） and emission computed tomography（ECT） bone scan in detection of bone metastases.Methods 30 cases of malignant tumors（lung cancer 18,prostate cancer 12） confirmed by clinical were collect.All cases received WB-DWI and ECT bong scan,the lesions combined MRI scan（T1WI,T2WI and fat suppression STIR）.WB-DWI and ECT check interval time less than 2 weeks.Results In 30 cases,WB-DWI and ECT detective the same sites of lesions.WB-DWI detective spinal metastases 23 cases（76.7%）,pelvic metastases 14 cases（46.7%）,rib metastases 6 cases（20.0%）,humerus metastases 4 cases（13.3%）,femoral metastases 6 cases（20.0%）.ECT detective spinal metastases 19 cases（63.3%）,pelvic metastases 11 cases（36.7%）,rib metastases 5 cases（16.7%）,humerus metastases 4 cases（13.3%）,femoral metastases 6 cases（20.0%）.WB-DWI and ECT to the spine,humerus and femur transfer detection on difference（P〈0.05）,the pelvis,frame transfer detection have difference（P〈0.05）.Conclusion WB-DWI and ECT are sensitive to bone metastases.In contrast,WB-DWI has higher detection rate,position and quantitative accuracy than ECT.
出处
《西部医学》
2013年第7期1070-1072,共3页
Medical Journal of West China
