Churg-Strauss syndrome classification: Difference between revisions
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{{CMG}} {{APM}}; {{AE}} {{CK}} | {{CMG}} {{APM}}; {{AE}} {{CK}} | ||
==Overview== | ==Overview== | ||
Revised International Chapel Hill Consensus Conference 2012 on Nomenclature of Vasculitides, defines [[Eosinophilic granulomatosis with polyangiitis]] (formerly known as Churg-Strauss syndrome) as an [[Eosinophil granulocyte|eosinophil]]-rich, granulomatous [[inflammation]] often involving the [[respiratory tract]], and necrotizing [[vasculitis]] involving small to medium-sized [[Artery|arteries]] and [[Venule|venules]], associated with [[asthma]] and [[eosinophilia]], | Revised International Chapel Hill Consensus Conference 2012 on Nomenclature of Vasculitides, defines [[Eosinophilic granulomatosis with polyangiitis]] (formerly known as Churg-Strauss syndrome) as an [[Eosinophil granulocyte|eosinophil]]-rich, granulomatous [[inflammation]] often involving the [[respiratory tract]], and necrotizing [[vasculitis]] involving small to medium-sized [[Artery|arteries]] and [[Venule|venules]], associated with [[asthma]] and [[eosinophilia]]. According to revised CHCC 2012, [[eosinophilic granulomatosis with polyangiitis]] is considered as a variant of the [[Anti-neutrophil cytoplasmic antibody|ANCA]] associated vasculitis. | ||
==Classification== | ==Classification== | ||
Revision as of 20:30, 29 March 2018
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Ali Poyan Mehr, M.D. [2]; Associate Editor(s)-in-Chief: Chandrakala Yannam, MD [3]
Overview
Revised International Chapel Hill Consensus Conference 2012 on Nomenclature of Vasculitides, defines Eosinophilic granulomatosis with polyangiitis (formerly known as Churg-Strauss syndrome) as an eosinophil-rich, granulomatous inflammation often involving the respiratory tract, and necrotizing vasculitis involving small to medium-sized arteries and venules, associated with asthma and eosinophilia. According to revised CHCC 2012, eosinophilic granulomatosis with polyangiitis is considered as a variant of the ANCA associated vasculitis.
Classification
- According to the Revised International Chapel Hill consensus conference 2012, Eosinophilic granulomatosis with polyangiitis is described as an eosinophil-rich and granulomatous inflammation often involving the respiratory tract, and necrotizing vasculitis involving small to medium-sized arteries and venules, associated with asthma and eosinophilia.
- The eponym Churg–Strauss syndrome, has been replaced during the 2012 Revised International Chapel Hill consensus conference, by mainly focusing on the histopathology of the disease. Eosinophilic granulomatosis with polyangiitis can be considered a variant of the ANCA associated vasculitis of the small vessels.[1][2]
- The Revised International Chapel Hill Consensus Conference 2012 Nomenclature of Vasculitides has stated that anti-neutrophil cytoplasmic antibodies (ANCA) are found in eosinophilic granulomatosis with polyangiitis, particularly in patients with glomerulonephritis. This may suggest some of the new evidence for the description of eosinophilic granulomatosis with polyangiitis subsets, depending on the presence or the absence of ANCA.
- The Chapel Hill Consensus Conference, however, does not propose any diagnostic or classification criteria.
- Therefore, the diagnostic criteria proposed by the American College of Rheumatology (ACR) in 1990 on Eosinophilic granulomatosis with polyangiitis is still being used to distinguish the disease. The presence of 4 out of the 6 diagnostic criteria has a reported sensitivity of 85% and a specificity of 99.7% for the diagnosis of Eosinophilic granulomatosis with polyangiitis.[3][4]
| American College of Rheumatology (ACR) Classification of Eosinophilic granulomatosis with polyangiitis |
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| Asthma |
| Eosinophilia > 10% |
| Neuropathy (mononeuropathy or polyneuropathy) |
| Pulmonary infiltrate |
| Paranasal sinus abnormality |
| Biopsy that shows extravascular eosinophil infiltration |
References
- ↑ Jennette JC, Falk RJ, Bacon PA, Basu N, Cid MC, Ferrario F, Flores-Suarez LF, Gross WL, Guillevin L, Hagen EC, Hoffman GS, Jayne DR, Kallenberg CG, Lamprecht P, Langford CA, Luqmani RA, Mahr AD, Matteson EL, Merkel PA, Ozen S, Pusey CD, Rasmussen N, Rees AJ, Scott DG, Specks U, Stone JH, Takahashi K, Watts RA (January 2013). "2012 revised International Chapel Hill Consensus Conference Nomenclature of Vasculitides". Arthritis Rheum. 65 (1): 1–11. doi:10.1002/art.37715. PMID 23045170.
- ↑ Mouthon L, Dunogue B, Guillevin L (2014). "Diagnosis and classification of eosinophilic granulomatosis with polyangiitis (formerly named Churg-Strauss syndrome)". J. Autoimmun. 48-49: 99–103. doi:10.1016/j.jaut.2014.01.018. PMID 24530234.
- ↑ Masi AT, Hunder GG, Lie JT, Michel BA, Bloch DA, Arend WP; et al. (1990). "The American College of Rheumatology 1990 criteria for the classification of Churg-Strauss syndrome (allergic granulomatosis and angiitis)". Arthritis Rheum. 33 (8): 1094–100. PMID 2202307.
- ↑ Gioffredi A, Maritati F, Oliva E, Buzio C (2014). "Eosinophilic granulomatosis with polyangiitis: an overview". Front Immunol. 5: 549. doi:10.3389/fimmu.2014.00549. PMC 4217511. PMID 25404930.