Diagnostic challenges of hypersensitivity pneumonitis with autoimmune features: Dealing with more than a coincidence?

Affiliations

• ¹ Pulmonology Department, Centro Hospitalar Universitário do Porto - Hospital de Santo António, Largo do Prof. Abel Salazar, 4099-001 Porto, Portugal; Abel Salazar Institute of Biomedical Sciences - University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal. Electronic address: tiagooliveiramedico@gmail.com.
• ² Pulmonology Department, Centro Hospitalar Universitário de São João - Hospital de São João, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal.
• ³ Anatomic Pathology Department, Centro Hospitalar Universitário de São João - Hospital de São João, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal; Faculty of Medicine - University of Porto, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal.
• ⁴ Pulmonology Department, Centro Hospitalar Universitário de São João - Hospital de São João, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal; Faculty of Medicine - University of Porto, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal.