Conclusion Correct diagnosis of DPB should be based on pathologic study, although clinical and laboratory data, as well as imaging findings are very helpful.

• 结论密切结合临床表现、实验室检查、肺功能检查及胸部、副鼻窦影像学表现，有助于本病的早期诊断，DPB的确诊仍依赖于病理组织学检查。