Conclusion HRCT is very useful nontraumatic check for the diagnosis of EAA,and can clealy show the type and distribution of abnormalities in patient with EAA.

• 结论HRCT是诊断外源性过敏性肺泡炎的具有重要价值的无创性检查，可以清晰显示过敏性肺泡炎的类型及分布。