Objective To improve recognition on Xrayappearance of hands of patients with systemic sclerosis (SSc).
目的提高对系统性硬皮病患者的手部X线表现的认识。
2
Methods The Xrayappearance and differentiation of chordoma were analysed in 28 cases of chordoma, which were confirmed by operation and pathology.
方法搜集了28例经手术、病理证实的脊索瘤，并对其X线表现及鉴别进行了分析。
3
Through appearance inspection, wall thickness measurement, EDS analysis and X-ray diffraction, the corrosion cause of the coal economizer tube is analysed.