结论：胶原性疾病可导致弥漫性肺间质病变。
Conclusion Collagenous diseases can lead to diffuse pulmonary interstitial disorders.
目的：探讨胶原病致弥漫性肺间质病变的病理演变、影像特点及影像诊断的作用和价值。
Objective To investigate pathological changes radiological features and the roles and value of X-ray diagnosis in diffuse pulmonary interstitial disorders caused by collagenous diseases.
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