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Granulomatosis with polyangiitis is part of a larger group of vasculitic syndromes called systemic vasculitides or necrotizing vasculopathies, all of which feature an autoimmune attack by an abnormal type of circulating antibody termed ANCAs (antineutrophil cytoplasmic antibodies) against small and medium-sized blood vessels.
Eosinophilic granulomatosis with polyangiitis consists of three stages, but not all patients develop all three stages or progress from one stage to the next in the same order; [7] whereas some patients may develop severe or life-threatening complications such as gastrointestinal involvement and heart disease, some patients are only mildly affected, e.g. with skin lesions and nasal polyps. [8]
Microscopic polyangiitis is the most common cause of pulmonary-renal syndrome. [ citation needed ] Other causes include systemic lupus erythematosus , eosinophilic granulomatosis with polyangiitis , microscopic polyangiitis , dermatomyositis , polymyositis , mixed connective tissue disease , poststreptococcal glomerulonephritis , rheumatoid ...
The negative immunofluorescence pattern, however, is called "pauci-immune" and is often associated with systemic vasculitides (plural of vasculitis) including: microscopic polyangiitis, eosinophilic granulomatosis with polyangiitis (EGPA), and granulomatosis with polyangiitis (GPA). [1] [2]
Friedrich Wegener (7 April 1907, Varel – 9 July 1990, Lübeck, [veːɡɐnəɐ̯]) was a German pathologist who is notable for being a high-ranking Nazi physician and for his description of a rare disease originally referred to Wegener disease and now referred to as granulomatosis with polyangiitis. Although this disease was known before ...
Download as PDF; Printable version ... PR3 is the most common antigen target of ANCA in patients with granulomatosis with polyangiitis. In active granulomatosis with ...
Granulomatosis with polyangiitis, formerly known as Wegener's granulomatosis, is a rare immune-mediated systemic disease with an unclear etiology. It manifests pathologically as an inflammatory response pattern in the kidneys, upper and lower respiratory tracts , and granulomatous inflammation, which includes necrosis .
The term polyangiitis overlap syndrome refers to a systemic vasculitis that shares features with two or more distinct vasculitis syndromes. The most common type of polyangiitis overlap syndrome is microscopic polyangiitis (MPA), which shares features with EGPA, granulomatosis with polyangiitis and panarteritis nodosa .