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目的：对ＥＣＴ和Ｘ线在骨肿瘤诊断上的作用及相互关系进行对比观察。方法：２８例经病理证实的骨肿瘤病人，经平片检查后，再行ＥＣＴ扫描。结果：在骨肿瘤诊断中，Ｘ线检查阳性率为５７％，但当同时进行ＥＣＴ检查时，阳性检出率上升为９６％。Ｘ线检查在良性骨肿瘤的诊断上优于ＥＣＴ。结论：ＥＣＴ是一种敏感有效的诊断手段，尤在早期发现骨肿瘤的诊断中有很大价值。但ＥＣＴ在对骨肿瘤与良性骨病诊断中缺乏形态学上的特异性，Ｘ线弥补了这方面的不足。因此，同时进行Ｘ线及骨扫描检查可提高阳性符合率
Objective: To compare the role of ECT and X-ray in the diagnosis of bone tumors and the correlation between them. Methods: Twenty-eight patients with pathologically confirmed bone tumor were examined by plain radiography and then scanned by ECT. Results: In the diagnosis of bone tumors, the positive rate of X-ray examination was 57%. However, the positive detection rate increased to 96% when ECT was performed simultaneously. X-ray examination is superior to ECT in the diagnosis of benign bone tumors. Conclusion: ECT is a sensitive and effective diagnostic tool, especially in the early detection of bone tumors of great value. However, the lack of morphological specificity of ECT in the diagnosis of bone tumors and benign bone diseases, X-ray to make up for this deficiency. Therefore, simultaneous X-ray and bone scan can improve the positive coincidence rate