Internal MedicineRespiratory and Critical Care Medicine
Lung disease
Lung disease
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Internal MedicineRespiratory and Critical Care Medicine
Sarcoidosis
Sarcoidosis
Sarcoidosis is a chronic inflammatory disease characterized by the abnormal accumulation of inflammatory cells (chronic granulomas) that can affect various organs throughout the body, particularly the lungs. This disease commonly affects young and middle-aged adults. Clinical symptoms vary depending on the site of sarcoidosis involvement.
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Pleurisy
Pleurisy
The pleura is a thin membrane covering the inner surface of the chest wall and the organs within the thoracic cavity (such as the lungs and mediastinum). It consists of two layers, forming a closed cavity. Under normal conditions, a small amount of fluid exists in the space between the two pleural layers, acting as a lubricant during respiratory movements. When various pathogenic factors invade the pleura, leading to a series of inflammatory reactions, it is called pleurisy. Based on the inducing factors, pleurisy is classified into infectious pleurisy, neoplastic pleurisy, autoimmune disease-related pleurisy, and pleurisy caused by other etiologies.