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, Merk...
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...