Autoimmune pulmonary alveolar proteinosis exacerbated by steroid therapy due to misdiagnosis as anti-aminoacyl-tRNA synthetase (ARS) antibody positive- interstitial pneumonia: a case report.
Hiroshi IshimotoNoriho SakamotoHirokazu YuraAtsuko HaraTakashi KidoHiroyuki YamaguchiKazuko YamamotoYasushi ObaseYuji IshimatsuMinoru SatohHiroshi MukaePublished in: BMC pulmonary medicine (2022)
Due to similar presentation, PAP can be misdiagnosed as interstitial pneumonia. If pulmonary lesions due to interstitial pneumonia are exacerbated by immunosuppressive treatment, physicians should reconsider the diagnosis and include PAP in the differential diagnosis.