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Table.2 Possible causes or associations with AFOP

From: Acute fibrinous and organizing pneumonia: two case reports and literature review

Associations   n
Lung transplantation(LT)   25
Autoimmune diseases/CTD   13
  Juvenile dermatomyositis 1
  Systemic sclerosis 1
  Polymyositis 1
  Sjogren’s syndrome 2
  Anti-synthetase syndrome 2
  Systemic lupus erythematosus 2
  Collagen vascular disease 1
  CTD (with asbestos and fiberglass exposure)a 1
  Fibromyalgia 1
  Severe AA (suspected to be autoimmune) 1
Medications/Drugs   15
  Amiodarone (1 with zoologist exposurea) 2
  Abacavir 1
  Decitabine 2
  Bleomycin (1 with Aba infectiona) 3
  Sirolimus 1
  Everolimus 1
  Nivolumab 1
  Cocaine 1
  Azacytidine 1
  Adjuvant chemotherapy&radiotherapy 1
  Pembrolizumab 1
Infection   14
  Lung abscess 1
  Haemophilus influenza 1
  Sepsis 1
  Chlamydia pneumoniae 1
  Mycoplasma pneumoniae 1
  Mycobacterium tuberculosis 1
  Aspergillosis 1
  Respiratory syncytial virus 1
  Abaa 2
  Pneumocystis jirovecii (and HIV)a 1
  Influenza virus (after double LT) 1
  Not mentioned 2
Hematological malignances   9
  Lymphoma 5
  Acute leukemia 2
  Myelodysplastic syndrome 2
HSCT (3 of lymphoma, 2 of leukemia) 5
Solid tumor   12
Environmental exposures   8
  Zoologist exposed to exotic animals(with usage of amiodarone )a 1
  Hair spay 1
  Coal miner 1
  Asbestoe and fiberglass exposure (with CTD)a 1
  Poultry 1
  Herbicide or pesticide 1
  Construction worker(with Aba infection )a 1
  Risk occupational exposure (not specified) 1
Whipple’s disease   1
Chronic glomerulonephritis   1
HIV One with Pneumocystis jirovecii infectiona 2
  1. AFOP Acute fibrinous organizing pneumonia, HSCT Hematopoietic stem cell transplantation, CTD Connective tissue disease, AA aplastic anemia, Aba Acinetobacter baumanii
  2. athe case was combined with another association