<unk>  <unk> , formerly known as bronchiolitis obliterans<unk>  pneumonia (BOOP), is an inflammation of the bronchioles (bronchiolitis) and surrounding tissue in the lungs. It is a form of idiopathic interstitial pneumonia. It is often a complication of an existing chronic inflammatory disease such as rheumatoid arthritis, dermatomyositis, or it can be a side effect of certain medications such as amiodarone.<unk>  was first described by Gary Epler in 1985. The clinical features and radiological imaging resemble infectious pneumonia. However, diagnosis is suspected after there is no response to multiple antibiotics, and blood and sputum cultures are negative for organisms.
Cryptogenic organizing pneumonia
Acute eosinophilic pneumonia
Atypical pneumonia
Allergic bronchopulmonary aspergillosis
Chronic pulmonary aspergillosis
Eosinophilic pneumonia
Parasitic pneumonia
Fungal pneumonia