Lung disease

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Lung mass, right lung - CT scan	Lung mass, right upper lobe - CT scan	Lung mass, right upper lung - chest X-ray	Lung nodule, right lower lung - CT scan
Lung nodule - front view chest X-ray	Lung with squamous cell cancer - CT scan	Pulmonary mass - side view chest X-ray	Respiratory system
Secondhand Smoke and Lung Cancer	Yellow nail syndrome

Lung disease is any disease or disorder where lung function does not work properly. There are three main types of lung disease:

1. Obstructive lung disease -- a decrease in the exhaled air flow caused by a narrowing or blockage of the airways, which can occur with asthma, emphysema, and chronic bronchitis.
2. Restrictive lung disease -- a decrease in the total volume of air that the lungs are able to hold. Often, this is due to a decrease in the elasticity of the lungs themselves or caused by a problem related to the expansion of the chest wall during inhalation.
3. A defect in the ability of the lung's air sac tissue to move oxygen into a person's blood.

Most lung diseases actually involve a combination of these categories, such as emphysema, which involves both airflow obstruction and oxygenation problems.

Major lung diseases include:

• Asthma
• Chronic bronchitis
• COPD (chronic obstructive pulmonary disease)
• Emphysema
• Interstitial lung disease
• Pulmonary fibrosis
• Sarcoidosis

Other lung diseases include:

• Asbestosis
• Aspergilloma
• Aspergillosis
• Aspergillosis - acute invasive
• Atelectasis
• Eosinophilic pneumonia
• Lung cancer
• Metastatic lung cancer
• Necrotizing pneumonia
• Pleural effusion
• Pneumoconiosis
• Pneumocystosis
• Pneumonia
• Pneumonia in immunodeficient patient
• Pneumothorax
• Pulmonary actinomycosis
• Pulmonary alveolar proteinosis
• Pulmonary anthrax
• Pulmonary arteriovenous malformation
• Pulmonary edema
• Pulmonary embolus
• Pulmonary histiocytosis X (eosinophilic granuloma)
• Pulmonary hypertension
• Pulmonary nocardiosis
• Pulmonary tuberculosis
• Pulmonary veno-occlusive disease
• Rheumatoid lung disease

Review Date: 11/13/2006
Reviewed By: David A. Kaufman, M.D., Assistant Professor, Division of Pulmonary, Critical Care & Sleep Medicine, Mount Sinai School of Medicine, New York, NY. Review provided by VeriMed Healthcare Network.