Cavities occasionally are encountered on thoracic images. Their differential diagnosis is
large and includes, among others, various infections, autoimmune conditions, and primary …

Abstract Objectives Pulmonary Langerhans cell histiocytosis (PLCH) is a rare interstitial
granulomatous disease that usually affects young adults who are smokers. Chest computed …

Granulomatosis with polyangiitis (GPA) is an antineutrophil cytoplasmic antibody–
associated vasculitis. It is an uncommon multisystem disease involving predominantly small …

Inflammatory bowel disease (IBD) is a form of chronic inflammation of the gastrointestinal
tract, including two major entities: ulcerative colitis and Crohn's disease. Although intestinal …

Abstract Coronavirus disease 2019 (COVID-19) has transformed into a worldwide
challenge, since its outbreak in December 2019. Generally, patients with underlying medical …

Vasculitis is a destructive inflammatory process affecting blood vessels. Pulmonary vasculitis
may develop secondary to other conditions or constitute a primary idiopathic disorder …

Objectives This study describes data from bronchoscopy performed at the diagnosis of anti-
neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV). Methods We …

OBJECTIVE. Large-airway tumors and tumorlike conditions are uncommon, but a systematic
approach aids in narrowing the differential diagnosis. In this article, we describe an …

The aim of the present study was to investigate the computed tomography (CT)
manifestations of Wegener granulomatosis (WG) in the chest and potential reasons for …

Granulomatous lung diseases (GLDs) are a heterogeneous group of pathological entities
that can have different clinical presentations and outcomes. Granulomas are histologically …