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。
Objective:To evaluate the value in detecting pulmonary tubercle(PT) on dual-energy subtraction(DES) with direct digital radiography (DDR).
前言： 目的：评价双能量减影在肺结核结节诊断中的应用价值。
Objective To explore the clinical value of digital radiography with dual-energy subtraction in diagnosis of coronary artery and valve calcification.
目的评价数字化双能量减影技术在肺结节及结节内钙化诊断中的临床价值。
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