Purpose: To compare the value between bone image of dual energy subtraction (DE) with direct digitalradiography 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。
2
Objective:To evaluate the value in detecting pulmonary tubercle(PT) on dual-energy subtraction(DES) with direct digitalradiography (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。
3
Objective To explore the clinical value of digitalradiography with dual-energy subtraction in diagnosis of coronary artery and valve calcification.