From: Breast involvement in granulomatosis with polyangiitis: a case report
Criteria | Characteristics |
---|---|
Nasal or oral inflammation | Painful or painless oral ulcers, purulent or bloody nasal discharge |
Abnormal chest radiograph | Nodules, fixed infiltrates, cavities |
Urinary sediment | Microhematuria (> 5 RBCs per high power field), red cell cast |
Granulomatous inflammation at biopsy | Involvement of the wall of an artery/ arteriole, involvement of the perivascular / extravascular spaces |