VASCULITIS HISTO Flashcards
AKA vasculitides: non infectious systemic necrotizing inflammation of any vessel
vasculitis
vasculitis characterized how?
inflammation and necrosis
what are the common pathogenic mechanisms?
immune complex formation
ANCA
vasculitis types, 8 of them?
polyarteritis nodosa wegener's granulomatosis microscopic polyarteritis giant cell arteritis takayasu's arteritis kawasaki's disease thromboangitis obliterans raynauds disease/phenomenon
name this type of vasculitis based on histologic features?
transmural inflammation
systemic involvement
small to medium sized muscular arteries
lesions of varying ages
thrombosis
sharply segmental
thrombosis
polyarteritis nodosa
name this type of vasculitis based on histologic features?
necrotizing granulomas of upper and/or lower respiratory tract
granulomatous vasculitis of small arteries and veins
crescentic, glomerulonephritis
wegener’s granulomatosis
name this type of vasculitis based on histologic features?
palpable purpura
P-ANCA
hemoptysis, hematuria and proteinuria
bowel pain and bleeding
muscle pain and weakness
microscopic polyarteriitis
name this type of vasculitis based on histologic features?
decrease lumen size granulomatous inflammation non specific WBC infiltration through arterial wall thrombus formation lumen obliteration
giant cell arteritis
name this type of vasculitis based on histologic features?
early: granulomatous inflammation
late: collagen fibrosis with inflammation
takayasu’s arteritis
name this type of vasculitis based on histologic features?
coronary artery vasculitis leading to aneurysm formation and superimposed thrombosis
kawasaki’s disease
name this type of vasculitis based on histologic features?
sharply segmental acute and chronic vasculitis of medium and small arteries
polymorphonuclear infiltrate of all layers
mural or occlusive thrombus
thromoangiitis obliteration