Causes of pulmonary effusion

There are many causes of pulmonary effusion, including systemic factors and local pleural lesions. Pulmonary effusion is also known as pleural effusion. Pleural effusion should be identified as exudate or transudate. If transudate is found, systemic factors should be found, such as congestive heart failure, constrictive pericarditis, hypoproteinemia, liver cirrhosis, nephrotic syndrome, acute glomerulonephritis, etc. The occurrence of normal exudate and pleural local lesions, exudate most common three categories are, the first tuberculous pleural effusion. The second type of pneumonic pleural effusion, generally lung infection, pneumonia, bronchiectasis, lung abscess on the basis of pleural effusion caused. The third malignant pleural effusion is normally pleural effusion caused by malignant tumor invasion of pleura, such as lung cancer, pleural malignant mesothelioma, breast cancer or lymphoma, etc., directly invaded or transferred to pleural effusion. In addition to these common causes, there are some rare causes of exudate, such as pulmonary infarction, rupture of thoracic duct, rupture of aortic aneurysm, esophageal rupture, ovarian hyperstimulation syndrome, etc., which can cause pleural effusion.