Purpose: To compare the value between bone image of dual energy subtraction (DE) with direct digital radiography and bone scintigraphy in diagnosing rib lesion.

目的：比较能量减影（DE）骨组织像与核素骨显像对肿瘤患者肋骨病变的诊断价值。

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Materials and Methods: 48 cases with tumor were examined with bone scintigraphy. After rib lesion was found, DE were done to judge the quality of rib lesion (metastasis or non-metastasis).

材料和方法：对48例核素骨显像检查发现肋骨病变的肿瘤患者，再行DE骨组织像判定其性质(转移性或非转移性)。

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Conclusion rib tumors can form abnormal image in pulmonary field and be misdiagnosed as lung or mediastinum lesion. So rib change must be analyzed carefully when chest film is observed.

结论肋骨肿瘤可在肺野内形成异常影像，易误诊为肺及纵隔病变，阅胸片时需注意观察，分析肋骨改变。

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