Should nasal biopsy inevitably be performed for classifying granulomatosis with polyangiitis in patients with rhinosinusitis? A retrospective chart review study

In conclusion, PR3-ANCA (or C-ANCA) positivity, GPA-specific lung lesions and cartilaginous involvement could help physicians in charge make a final diagnosis of GPA in cases unable for nasal biopsy.
Source: Rheumatology International - Category: Rheumatology Source Type: research