Petechiae, Purpura and Vasculitis
Petechiae, Purpura and Vasculitis
Petechiae, Purpura and Vasculitis
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Summary:<br />
Palpable <strong>Purpura</strong><br />
• Palpable purpura results from underlying<br />
blood vessel inflammation (vasculitis)<br />
• Palpable purpura is the hallmark lesion of<br />
leukocytoclastic vasculitis<br />
• The various etiologies of vasculitis may be<br />
categorized according to size of vessel affected<br />
• A skin biopsy is usually necessary for the<br />
diagnosis of vasculitis
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