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肺含有丰富的血管结缔组织和其它间质结缔组织,是胶原病好发部位,合并肺病变是决定胶原病患者预后的重要因素。胶原病患者的肺常呈现多种病理性改变,如:间质性肺炎、肺纤维化、肺囊肿、肺出血、肺栓塞、肺水肿、胸水、自发性气胸等,其中除由胶原病本身所致者外,还包括与胶原病相关的免疫功能不全,心肾功能不全等所致的病变。
Lung is rich in connective tissue of blood vessels and other interstitial connective tissue, which is the predilection site for collagen disease. Pulmonary lesion is an important factor that determines the prognosis of patients with collagen disease. Patients with collagen disease often presents a variety of pathological changes in the lung, such as: interstitial pneumonia, pulmonary fibrosis, pulmonary cysts, pulmonary hemorrhage, pulmonary embolism, pulmonary edema, pleural effusion, spontaneous pneumothorax, which in addition to the collagen disease itself In addition, but also with the collagen-related immune dysfunction, heart and kidney dysfunction caused by lesions.