https://www.selleckchem.com/pr....oducts/tj-m2010-5.ht
BACKGROUND Pulmonary alveolar proteinosis (PAP) is characterized by the accumulation of surfactant proteins within the alveolar spaces. Autoimmune PAP (APAP) caused by elevated levels of GM-CSF autoantibodies (GM-Ab) is very rarely associated with systemic autoimmune disease. Here we report a case of APAP manifested during immunosuppressive treatment for polymyositis with interstitial lung disease. CASE PRESENTATION A 52-year-old woman treated at our hospital because of polymyositis with interstitial pneumonia had maintained remissio