Objective. Idiopathic pleuroparenchymal fibroelastosis (IPPFE) is a rare disease characterized
by predominant upper lobe pulmonary fibrosis of unknown etiology. However, the …

Background The clinical course of idiopathic pulmonary fibrosis (IPF) shows great inter-individual
differences. It is important to standardize the severity classification to accurately …

Background Idiopathic pulmonary fibrosis (IPF) is a progressive and fibrosing lung disease
with poor prognosis. Pirfenidone and nintedanib are anti-fibrotic drugs used for patients with …

Purpose Human breath analysis is proposed with increasing frequency as a useful tool in
clinical application. We performed this study to find the characteristic volatile organic …

Objective Rapid on‐site cytological evaluation ( ROSE ) in bronchoscopy is a useful ancillary
technique. ROSE is usually performed by a cytopathologist or cytotechnologist. However, …

We herein report a case of autoimmune pulmonary alveolar proteinosis (PAP) diagnosed
after one-time exposure to silica powder. Owing to the misuse of a silica-containing fire …

We present a case of ovarian clear-cell carcinoma that was initially diagnosed as adenocarcinoma
of lung origin. This is an instructive diagnostic pitfall for clinicians and pathologists …

Background: Interstitial lung diseases (ILD) are characterized by inflammation and/or fibrosis
of the lungs. Patients with idiopathic pulmonary fibrosis (IPF) are unlikely to respond to …

Background In recent years, combined pulmonary fibrosis and emphysema (CPFE) has
been defined as a new disease entity and its pathogenesis and clinical features have been …

Background: Serum surfactant protein (SP)-A, SP-D, and KL-6 are prognostic biomarkers of
patients with idiopathic pulmonary fibrosis (IPF), however, the relationship with the …