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Table 2 The clinical conditions associated with AFOP [1, 3,4,5,6,7,8,9, 11,12,13]

From: Acute fibrinous and organizing pneumonia in a patient with Sjögren’s syndrome and Legionella pneumonia: a case report and literature review

Unknown

Idiopathic

Infections

Haemophilus influenzae, Acinetobacter baumannii, Chlamydia, respiratory syncytial virus, influenza virus A/H1N1, human immunodeficiency virus, Pneumocystis jirovecii, and Penicillium citrinum

Autoimmune diseases

Ankylosing spondylitis, antisynthetase syndrome, collagen vascular disease, fibromyalgia, juvenile dermatomyositis, dermatomyositis, polymyositis, primary biliary cirrhosis, very severe aplastic anemia, undifferentiated connective tissue diseases, systemic lupus erythematosus, necrotizing myopathy, and primary Sjögren’s syndrome

Durgs

Abacavir, amiodarone, bleomycin, decitabine, everolimus, sirolimus, zacytidine

Environmental exposures

Aerosols, asbestos, coal, dusts

Others

Myelodysplastic syndrome, lung transplant, bone marrow transplant

  1. AFOP acute fibrinous and organizing pneumonia