الفهرس 
REVIEW OF LITERATURE
Rheumatoid diseaseOnly 14 pages are availabe for public view
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Abstract
Collagen diseases are mediated by immune complex deposition in different organs. Many hormonal, neural and vascular factors interact to give the final pathological alterations found in these diseases.
Any area of the respiratory system can be affected, and ___ifferent pictures are seen in each entity. Rheumatoid disease
ay be the underlying cause of pleuropulmonary abnormalities, ronchiolitis, pleural disease and interstitial lung disease. Even e airways, either large or small, are affected as well as the ulmonary vascular bed, and this systemic disease may end by ng cancer.
Systemic lupus erythematosus was reported to affect the spiratory system since the last century , in the form of urisy, pleural effusion, pneumothorax, parenchymal disease
pneumonitis or pulmonary haemorrhage) and pulmonary vascular compromise in the form of pulmonary hypertension or thromboembolism.