A pleural effusion represents an accumulation of fluid within the chest. It occupies the space between the lining of the chest wall and the lining of the lung. As the fluid increases in volume, the lung may become compressed. This can lead to difficulties breathing and localized discomfort.
Causes of Pleural Effusion
Under most cases, inflammation of the pleura, or lining of the lung, produces pleural fluid. The pleural fluid may be secondary to infection. such as pneumonia or tuberculosis. Lung cancer may lead to pleural effusion. Autoimmune disorders, such as systemic lupus erythematosis, or rheumatoid arthritis, commonly have associated pleural effusions. Occasionally, generalized edema which may occur from conditions such as heart failure, can lead to fluid accumulating in various body cavities.
Signs and Symptoms of Pleural Effusion
Localized chest pain often occurs. There may be shortness of breath and pain which increases with inspiration.
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Medical Content Last Updated on 07/12/2008
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