Organized pneumonia, also known as bronchiolitis obliterans organizing pneumonia (BOOP), has two types: cryptogenic organized pneumonia (COP) and secondary organized pneumonia (SOP). COP has an unknown cause, while SOP is caused by an external event. All types of pneumonia are caused by infections or toxic fumes. Organized pneumonia causes scarring of lung tissue, affecting breathing. Symptoms include cough, chest pain, fever, and difficulty breathing. Treatment includes antibiotics or steroids.
Organized pneumonia is also known as bronchiolitis obliterans organizing pneumonia (BOOP) and has two varieties depending on its cause: cryptogenic organized pneumonia (COP) and secondary organized pneumonia (SOP). Cryptogenic organized pneumonia is pneumonia for which the underlying cause of the disease is unknown, whereas secondary organized pneumonia is caused by a specific external inciting event, such as infection. Bronchiolitis obliterans organizing pneumonia is an inflammation of the airways in which the bronchioles and alveoli lining the lungs are filled with fluid due to an infection. All types of pneumonia are caused by bacterial, viral, fungal, or parasitic infections, or they can be triggered by toxic fumes or by contact with medical equipment, including respirators.
Organizational pneumonia is characterized by how well the lungs and airways recover from the flu-like infection. In other types of pneumonia, dead cells build up in patches of mucus and dead tissue, which are then excreted or reabsorbed by the body. With organized pneumonia, the mucus that is exuded “organizes” or is infiltrated by the fibrous tissue of the airways, which is loosened by coughing. This infiltration of tissue and its movement through the lungs causes scarring, or scarring, of the lung tissue, which can permanently affect breathing. For this reason, organizing pneumonia is also known as “unresolved pneumonia.”
There are many different causes of pneumonia and types of pneumonia disease, but they all relate to an inflammatory condition in the lungs. BOOP is a type of pneumonia that can be caused by infectious or noninfectious agents; shares this classification with aspiration pneumonia, lipoid pneumonia, and eosinophilic pneumonia. Most of the more common varieties of pneumonia are caused by infectious agents. The many different ways to get pneumonia make it difficult to pinpoint the cause of the disease. COP is as common as secondary organizing pneumonia, and treatment for both types of organizing pneumonia is often the same.
As with all pneumonias, the pneumonia organization affects the alveoli, microscopic air sacs that help the body exchange air through the lungs and airways. If they become clogged due to infection, they become inflamed and can no longer move air effectively. This can lead to symptoms of pneumonia, which include cough or a productive cough with mucus, chest pain, fever or chills, fatigue, aches and difficulty breathing. Pneumonia can be fatal and should be treated by a doctor, who will prescribe rest and a course of antibiotics or steroids to address the underlying infection.
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