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Bronchiolitis is inflammation of the small airways also known as the bronchioles in the lungs. Acute bronchiolitis is caused by a viral infection, usually affecting children younger than two years of age. [5] Symptoms may include fever, cough, runny nose or rhinorrhea, and wheezing. [1]
Cryptogenic organizing pneumonia; Other names: Bronchiolitis obliterans with organizing pneumonia, idiopathic interstitial pneumonia [1] Micrograph showing a Masson body (off center left/bottom of the image – pale circular and paucicellular), as may be seen in cryptogenic organizing pneumonia. The Masson body plugs the airway.
Respiratory bronchiolitis is a lung disease associated with tobacco smoking. [1] In pathology, it is defined by the presence of " smoker's macrophages ". [ 1 ] When manifesting significant clinical symptoms it is referred to as respiratory bronchiolitis interstitial lung disease (RB-ILD).
Bronchiolitis obliterans results in worsening shortness of breath, wheezing, and a dry cough.The symptoms can start gradually, or severe symptoms can occur suddenly. [9] [10] These symptoms represent an obstructive pattern that is non-reversible with bronchodilator therapy, and need to be related to various lung insults. [11]
Lower respiratory tract infection (LRTI) is a term often used as a synonym for pneumonia but can also be applied to other types of infection including lung abscess and acute bronchitis. Symptoms include shortness of breath, weakness, fever, coughing and fatigue. [3]
A number of DPB symptoms resemble those found with other obstructive lung diseases such as asthma, chronic bronchitis, and emphysema. Wheezing, coughing with sputum production, and shortness of breath are common symptoms in such diseases, and obstructive respiratory functional impairment is found on pulmonary function testing. [6]
It is unclear if rapid viral testing in the emergency department for children with acute febrile respiratory infections reduces the rates of antibiotic use, blood testing, or urine testing. [11] The relative risk reduction of chest x-ray utilization in children screened with rapid viral testing is 77% compared with controls. [ 11 ]
The subacute, or intermittent, form produces more well-formed noncaseating granulomas, bronchiolitis with or without organizing pneumonia, and interstitial fibrosis. [1] Much like the pathogenesis of idiopathic pulmonary fibrosis (IPF), chronic HP is related to increased expression of Fas antigen and Fas ligand , leading to increased epithelial ...