Conclusions the main reason for misdiagnosis is the lack knowledge of IPH.

结论对IPH认识不足是误诊的主要原因。

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Iph: Short for impressions per hour. It normally measures of printing speed.

每小时印数：英文是每小时印数的缩写。一般用它表达印刷速度。

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Objective: To investigate the imaging manifestations of X-ray and ct of idiopathic pulmonary hemosiderosis (IPH).

目的：探讨特发性含铁血黄素沉着症x线、CT影像表现特征。

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