Allergic granulomatous vasculitis-associated scleritis
Allergic granulomatous vasculitis (AGA), also known as Churg-Strauss syndrome, is a vascular disease similar to polyarteritis nodosa (PAN) that can affect any organ in the body, but has the following characteristics compared to typical PAN: ① More than 90% of patients have pulmonary vascular involvement; ② Vasculitis involves small and medium-sized arteries and veins; ③ Intravascular and extravascular granuloma formation; ④ Tissue infiltration of eosinophils; ⑤ Concurrent asthma and peripheral blood eosinophilia; ⑥ The disease is not related to hepatitis B.
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Site of disease:
Eye whole body -
Infectious :
Not contagious -
Frequent population:
15-70 years old, male to female ratio 2:1 -
Related symptoms:
Purpura subcutaneous nodules ulcers ulcers subcutaneous nodules -
Concurrent disease: