MSCT对院内耐甲氧西林金黄色葡萄球菌肺炎的诊断价值

目的：探讨耐甲氧西林金黄色葡萄球菌（MRSA）肺炎的CT表现。方法：回顾性分析17例MRSA肺炎的CT征象。结果：MRSA肺炎最常见的CT征象为实变（17例）,其中14例为双肺实变;空洞9例,其中6例为实变内空洞,3例为结节内空洞;毛玻璃影14例,常为双肺分布以及实变、结节周围分布。其它CT表现包括两肺多发结节（7例）、小叶间隔增厚（9例）和胸腔积液（9例）。结论：MRSA肺炎的主要CT征象为两肺实变、空洞形成以及毛玻璃影。CT可清晰显示这些异常征象并可为早期诊断做出有益提示。

MSCT in nosocomial methicillin resistant staphylococcus aureus pneumonia

Objective:To assess CT findings of methicillin resitant staphylococcus aureus(MRSA) pneumonia.Methods:17 cases with MRSA pneumonia were analyzed retrospectively.Results:The most common CT scan finding was consolidation(n=17),14 of which being bilateral.Cavitation was present in 9 cases,6 of which being in regions of consolidation and 3 cases in large nodules.Ground grass attenuation(n=14) was usually bilateral and distributed around either consolidation or nodules.Other common findings included multiple nod...