Differential diagnosis of systemic disorders causing interstitial lung disease are :
-Wegener granulomatosis
-sarcoidosis
-pulmonary venous hypertension
-pulmonary edema
-lymphangioleiomyomatosis
-lymphangitic carcinomatosis
-eosinophilic granuloma
-langerhans cell histiocytosis
-histiocytosis X
-inflammatory bowel disease
-idiopathic pulmonary hemosiderosis
-Goodpasture ‘s syndrome
-chronic eosinophilic pneumonia
-dermatomyositis
-systemic lupus erythematosus
-systemic sclerosis
-scleroderma
-rheumatoid arthritis
-polymyositis
-ankylosing spondylitis
-amyloidosis
-acute respiratory distress syndrome
-Wegener granulomatosis
-sarcoidosis
-pulmonary venous hypertension
-pulmonary edema
-lymphangioleiomyomatosis
-lymphangitic carcinomatosis
-eosinophilic granuloma
-langerhans cell histiocytosis
-histiocytosis X
-inflammatory bowel disease
-idiopathic pulmonary hemosiderosis
-Goodpasture ‘s syndrome
-chronic eosinophilic pneumonia
-dermatomyositis
-systemic lupus erythematosus
-systemic sclerosis
-scleroderma
-rheumatoid arthritis
-polymyositis
-ankylosing spondylitis
-amyloidosis
-acute respiratory distress syndrome