Granulomatosis with polyangiitis classification
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Ali Poyan Mehr, M.D. [2];Associate Editor(s)-in-Chief: Amandeep Singh M.D.[3]Krzysztof Wierzbicki M.D. [4]
Overview
Overview
According to the American College of Rheumatology (ACR) Granulomatosis with polyangiitis is classified using 4 criteria.
Classification
Classification
According to the American College of Rheumatology (ACR) Granulomatosis with polyangiitis is classified by 4 criteria. They are:[1]
| American College of Rheumatology (ACR) Classification of Granulomatosis with polyangiitis |
|---|
| Abnormal urinary sediment ( red cell casts or > 5 red blood cells per hpf) |
| Abnormal Chest radiography findings (nodules, cavities, or fixed infiltrates) |
| Nasal discharge or oral ulcers |
| Biopsy that presents with granulomatous inflammation |
2 out of 4 criteria are needed to distinguish Granulomatosis with polyangiitis from other vasculitides, with a senstivity of 88% and senstivity of 92%.
References
References
- ↑ Leavitt RY, Fauci AS, Bloch DA, Michel BA, Hunder GG, Arend WP; et al. (1990). “The American College of Rheumatology 1990 criteria for the classification of Wegener’s granulomatosis”. Arthritis Rheum. 33 (8): 1101–7. PMID 2202308.
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