Summary: Anti-proteinase 3 antineutrophil cytoplasmic antibody reflects disease activity and predicts the response to steroid therapy in ulcerative colitis.

Summary: A case report of PR-3-ANCA-positive glomerulonephritis with histological features of GPA associated with infectious endocarditis.

Summary: Omalizumab-associated eosinophilic granulomatosis with polyangiitis: cause or coincidence?

Summary: Progressive multifocal leukoencephalopathy in patients treated with rituximab: a 20-year review from the Southern Network on Adverse Reactions.

Summary: Ruptured arterial aneurysm in Wegener's granulomatosis: a case report.

Summary: Serum adipokine profiles in patients with microscopic polyangiitis and granulomatosis with polyangiitis: An exploratory analysis.

Summary: Massive Transoral Bleeding from the Internal Carotid Artery in a Patient With Granulomatosis With Polyangiitis (Wegener).

Summary: Consideration of Therapeutic Plasma Exchange in Association With Inflammatory Lesions in ANCA-Associated Glomerulonephritis: A Real-World Retrospective Study From a Single Center.

Summary: Splinter haemorrhages and brain infarcts as an unusual presentation of sarcoidosis.

Summary: Real-life evidence of low-dose mepolizumab efficacy in EGPA: a case series.

Summary: Tumor-like Lesions in Patients with Granulomatosis with Polyangiitis: A Case Series.

Summary: Fulminant granulomatosis with polyangiitis presenting with diffuse alveolar haemorrhage following COVID-19.