Objective To evaluate the value of HRCT in differential diagnosis of the lung diseases by analyzing the pattern of the tree in bud.
目的通过对肺内疾病中树芽征出现规律的分析，探讨高分辨率CT（HRCT）对树芽征在肺的疾病鉴别诊断中的价值。
树已发芽。
The magnolia tree is in bud already.
木兰树已经长出花蕾了。
Methods To check 99 pulmonary infections patients with CT and statistic the formation and location of tree-in-bud and the other signs at various pulmonary infections separately.
方法：对99例各类肺部感染性疾病行CT检查，对各类疾病树芽征的形态、部位及共存征象进行统计分析。
Methods To check 99 pulmonary infections patients with CT and statistic the formation and location of tree-in-bud and the other signs at various pulmonary infections separately.
方法：对99例各类肺部感染性疾病行CT检查，对各类疾病树芽征的形态、部位及共存征象进行统计分析。
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