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Granulomatosis with polyangiitis; Other names: Wegener's granulomatosis (WG) (formerly) Micrograph showing features characteristic of granulomatosis with polyangiitis – a vasculitis and granulomas with multi-nucleated giant cells. H&E stain. Specialty: Immunology, rheumatology Causes: Autoimmune disease
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]
When diagnosing patients with granulomatosis with polyangiitis, computed tomography is useful. Results include destruction of punctate bone, primarily in the midline, and thickening of the nasal mucosa. [23] In about 90% of patients with granulomatosis with polyangiitis, a chest computed tomography scan will show nodules or masses. [36]
Type III RPGN may be isolated to the glomerulus (primary, or idiopathic) or associated with a systemic disease (secondary). In most cases of the latter, the systemic disease is an ANCA-associated vasculitis such as granulomatosis with polyangiitis, microscopic polyangiitis or eosinophilic granulomatosis with polyangiitis. [2]
Granulomatosis with polyangiitis: Crusting rhinorrhea, sinusitis, chronic otitis media, nasal obstruction, shortness of breath, and chronic cough. [15] [16] Eosinophilic granulomatosis with polyangiitis: Asthma, allergic rhinitis, sinusitis, nasal polyps, peripheral neuropathy, pulmonary infiltrates, and abdominal pain. [17] [18]
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 ...
Pulmonary-renal syndromes are most commonly caused by an underlying autoimmune disease. PRS is most commonly due to ANCA-associated vasculitides (e.g., granulomatosis with polyangiitis) or due to anti-basement membrane diseases (e.g., Goodpasture's syndrome).
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 .