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Such scar tissue causes an irreversible decrease in oxygen diffusion capacity, and the resulting stiffness or decreased compliance makes pulmonary fibrosis a restrictive lung disease. [14] Pulmonary fibrosis is perpetuated by aberrant wound healing, rather than chronic inflammation. [15]
Lung symptoms in a patient who is taking a medicinal drug that can cause pulmonary toxicity should not automatically lead to a diagnosis of "pulmonary toxicity due to the medicinal drug", because some patients can have another (i.e., simultaneous) lung disease, e.g. an infection of the lungs not related to the medicinal drugs the patient is ...
Generally, intrinsic causes are from lung parenchyma diseases that cause inflammation or scarring of the lung tissue, such as interstitial lung disease or pulmonary fibrosis, or from having the alveoli air spaces filled with external material such as debris or exudate in pneumonitis. [3]
[4] [19] [37] [14] Methotrexate can also cause mucositis. [38] Methotrexate pneumonitis is a rare complication of therapy and appears to be reducing in frequency in most recent rheumatoid arthritis treatment trials. [39] In the context of rheumatoid arthritis interstitial lung disease, methotrexate treatment may be associated with a lower ...
Popcorn Lung is a debilitating and irreversible respiratory disease which causes "scarring in tiny air sacs in the lungs that lead to excessive coughing and shortness of breath" similar to that ...
The differential diagnosis includes other types of lung disease that cause similar symptoms and show similar abnormalities on chest radiographs. Some of these diseases cause fibrosis, scarring or honeycomb change. The most common considerations include: chronic hypersensitivity pneumonitis; non-specific interstitial pneumonia; sarcoidosis
Mild joint involvement can be effectively treated with NSAIDs, hydroxychloroquine, and oral prednisone. [71] [44] [25] Methotrexate has been observed to be useful in more severe cases. [72] If methotrexate is contraindicated, alternative disease-modifying medications for RA, such as leflunomide or azathioprine, may be used. [68]
A technique called pleurodesis can be used to intentionally create scar tissue within the pleural space, usually as a treatment for repeated episodes of a punctured lung, known as a pneumothorax, or for pleural effusions caused by cancer. While this procedure usually generates only limited scar tissue, in rare cases a fibrothorax can develop. [6]