Clinical features result from the destruction of blood vessel walls with subsequent thrombosis, ischemia, bleeding, and/or aneurysm formatio...
Consider age, gender, and ethnicity.
Comprehensive medication history
Family history of vasculitis
Constitutional symptoms: fever, weight loss, malaise, fatigue, diminished appetite, swe...
Discontinue offending drug (hypersensitivity vasculitis).
Simple observation for mild cases of pediatric IgA vasculitis
ANCA-associated vasculitis has two-phase treatment: init...
Iba T, Connors JM, Levy JH. The coagulopathy, endotheliopathy, and vasculitis of COVID-19. Inflamm Res. 2020;69(12):1181-1189
Walsh M, Merkel PA, Peh ...
M31.7 Microscopic polyangiitis
M31.30 Wegener's granulomatosis without renal involvement
M31.9 Necrotizing vasculopathy, unspecified
M30.0 Polyarteritis nodosa
M31.2 Lethal midline granuloma
M31...
Suspect vasculitis in patients with a petechial rash, palpable purpura, glomerulonephritis, pulmonary-renal syndrome, intestinal ischemia, or mononeuritis multiplex.
Exclude silent rena...
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Vasculitis with petechiae and purpura of lower extremity
<bold><italic>Figure 12-13</bold> Acute necrotizing vasculitis.</bold> This specimen is from a testicular biopsy in a patient with polyarteritis nodosa. The biopsy was performed to confirm a provisional clinical diagnosis.
<bold><italic>Figure 12-13</bold> Acute necrotizing vasculitis.</bold> This specimen is from a testicular biopsy i...
close up of previous patient's lower extremity
<bold>FIG. 83.11.</bold> Cutaneous findings in ANCA-associated vasculitides. A: Purpura in microscopic polyangiitis. B: Splinter hemorrhages in Wegener's granulomatosis.
<bold>FIG. 83.11.</bold> Cutaneous findings in ANCA-associated vasculitides. A: Purpura in microscopic polyangiitis. B: Splinte...