Purpose: to study CT and X ray manifestations of pulmonary lymphoma and to improve the diagnostic accuracy of the disease.
目的：研究肺淋巴瘤的X线与CT表现，提高对肺淋巴瘤的认识，减少误诊。
Objective: to study the ct characteristics of pulmonary multiple nodules to improve its diagnostic accuracy.
目的：探讨肺内多发小结节的CT特征，提高CT诊断的准确性。
Objective To study CT and clinical features of diffuse axonal injury (DAI), and enhance its diagnostic correctness.
目的探讨脑弥漫性轴索损伤（DAI）的CT及临床特征诊断正确性。
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