Capillaritis | Systemic vasculitides | Behçet syndrome | Cryoglobulinemia | Granulomatosis with polyangiitis (Wegener) | Henoch-Schönlein purpura | IgA nephropathy | Microscopic polyangiitis | Pauci-immune glomerulonephritis | Rheumatic diseases | Mixed connective tissue disease | Anti-GBM (Goodpasture) disease* | Isolated pulmonary capillaritis (ANCA positive) | Polymyositis | Primary antiphospholipid antibody syndrome | Rheumatoid arthritis | Systemic lupus erythematosus* | Systemic sclerosis | Drugs | Carbimazole | Differentiation (retinoic acid syndrome) | Diphenylhydantoin | Hydralazine | Propylthiouracil | TNF-alpha antagonists | Other | Autologous hematopoietic cell transplantation | Infective endocarditis | Isolated pulmonary capillaritis (ANCA negative) | Leptospirosis | Acute lung transplant rejection | Ulcerative colitis | | Bland hemorrhage | Connective tissue disease | Anti-GBM (Goodpasture) disease* | Systemic lupus erythematosus* | Drugs | Anticoagulant therapy | Platelet glycoprotein IIB/IIIA inhibitors | Other | Thrombocytopenias (ITP, TTP, HUS) | Idiopathic pulmonary hemosiderosis | Leptospirosis | Mitral stenosis | Promyelocytic leukemia | | Diffuse alveolar damage | Infection | Any infection causing ARDS (bacterial, viral) | Opportunistic infections in immunocompromised host | Rheumatic diseases | Polymyositis | Systemic lupus erythematosus | Drugs and toxins | Amiodarone | Amphetamine | Crack cocaine | Cytotoxic drugs | Isocyanates | Nitrofurantoin | Penicillamine | Propylthiouracil | Sirolimus | Trimellitic anhydride | Other | Acute interstitial pneumonia | ARDS (any cause) | Organizing pneumonia | Pulmonary infarction | Radiation therapy | | Miscellaneous | Angiosarcoma | Choriocarcinoma | Epithelioid hemangioepithelioma | Metastatic renal cell carcinoma | Pulmonary vein stenosis | Pulmonary veno-occlusive disease/pulmonary capillary hemangiomatosis | Tuberous sclerosis/ Lymphangioleiomyomatosis | |