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Pulmonary mass - side view chest X-ray
Pulmonary mass - side view chest X-ray


Lung mass, right upper lobe - CT scan
Lung mass, right upper lobe - CT scan


Lung mass, right lung - CT scan
Lung mass, right lung - CT scan


Lung mass, right upper lung - chest X-ray
Lung mass, right upper lung - chest X-ray


Lung nodule - front view chest X-ray
Lung nodule - front view chest X-ray


Lung nodule, right lower lung - CT scan
Lung nodule, right lower lung - CT scan


Lung with squamous cell cancer - CT scan
Lung with squamous cell cancer - CT scan


Secondhand Smoke and Lung Cancer
Secondhand Smoke and Lung Cancer


Yellow nail syndrome
Yellow nail syndrome


Respiratory system
Respiratory system


Lung disease

Definition:

Lung disease is any disease or disorder that occurs in the lungs or that causes the lungs to not work properly. There are three main types of lung disease:

  1. Airway diseases -- These diseases affect the tubes (airways) that carry oxygen and other gases into and out of the lungs. These diseases usually cause a narrowing or blockage of the airways. They include asthma , emphysema, and chronic bronchitis. People with airway diseases sometimes describe the feeling as "trying to breathe out through a straw."
  2. Lung tissue diseases -- These diseases affect the structure of the lung tissue. Scarring or inflammation of the tissue makes the lungs unable to expand fully ("restrictive lung disease"). Theis makes it hard for the lungs to breathe in oxygen and release carbon dioxide. Pulmonary fibrosis and sarcoidosis are examples of lung tissue diseases. People sometimes describe the feeling as "wearing a too-tight sweater or vest" that won't allow them to take a deep breath.
  3. Lung circulation diseases -- These diseases affect the blood vessels in the lungs. They are caused by clotting, scarring, or inflammation of the blood vessels. They affect the ability of the lungs to take up oxygen and to release carbon dioxide. These diseases may also affect heart function.

Many lung diseases involve a combination of these three types.

The most common lung diseases include:

  • Asthma
  • Atelectasis
  • Bronchitis
  • COPD (chronic obstructive pulmonary disease)
  • Emphysema
  • Lung cancer
  • Pneumonia
  • Pulmonary edema

Other lung diseases include:



Causes, incidence, and risk factors:



Symptoms:



Signs and tests:



Treatment:



Support Groups:



Expectations (prognosis):



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Calling your health care provider:



Prevention:



References:

Kraft M. Approach to the patient with respiratory disease. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 83.




Review Date: 9/15/2010
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Denis Hadjiliadis, MD, Assistant Professor of Medicine, Division of Pulmonary, Allergy and Critical Care, University of Pennsylvania, Philadelphia, PA. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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