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High Resolution CT of Pneumocystis Carinii Pneumonia in AIDS

卡氏肺囊蟲肺炎之高解像力電腦斷層影像所見:兩病例報告

摘要


卡氏肺囊蟲肺炎(Pneumocystis carinii pneumonia)是併發於後天免疫不全症候群患者最常見的肺部機會性感染。其初期之胸腔放射學表徵常以兩側肺門旁肺間質浸潤為主,進而擴展到肺泡並且廣泛分佈於整個肺區。高解像力電腦斷層影像為偵測早期肺實質病變的最佳診斷工具,可幫助觀察到早期肺囊蟲肺炎潛在不易察覺的病變,並可偵測其治療效果。本文報告兩例發生於後天免疫不全症候群患者,肺部肺囊蟲肺炎感染的高解像力電腦斷層表現:均呈現兩側廣泛性毛玻璃現象,並雜有肺間質與肺泡浸潤,及較小、薄壁的氣囊。並主張若出現此種高解像力電腦斷層表徵,應優先考慮肺囊蟲肺炎之診斷。

並列摘要


The high resolution computed tomography (HRCT) findings of 2 cases of acquired immunodeficiency syndrome (AIDS) with Pneumocystis carinii pneumonia (PCP) are reported. They have similar findings showing diffuse bilateral ground-glass opacity and areas of interstitial and/or alveolar infiltrations scattered with small thin-walled air cysts. We emphasize that although PCP has a wide variety of CT appearances, these HRCT findings may suggest the diagnosis.

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