Petechiae, Purpura and Vasculitis
Petechiae, Purpura and Vasculitis
Petechiae, Purpura and Vasculitis
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Henoch-Schonlein <strong>Purpura</strong><br />
• Henoch-Schönlein <strong>Purpura</strong> (HSP) is the most common<br />
form of systemic vasculitis in children<br />
– Characterized by palpable purpura (vasculitis), arthritis,<br />
abdominal pain <strong>and</strong> kidney disease<br />
• Primarily a childhood disease (between ages 3-15), but<br />
adults can also be affected<br />
• HSP follows a seasonal pattern with a peak in incidence<br />
during the winter presumably due to association with a<br />
preceding viral or bacterial (streptococcal pharyngitis)<br />
infection<br />
• Other bacterial infections, drugs, food <strong>and</strong> lymphoma<br />
may cause HSP<br />
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