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.
在80例以肺间质为主的病变中，支气管血管束增粗、边缘毛糙、扭曲变形主要见于慢性支气管炎合并间质纤维化及胶原病肺纤维化；
In 80 patients with predominant pulmonary interstitial diseases, thickened BVB with coarse margin or distortion were common in patients with pulmonary fibrosis.
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