Collagen Vascular Diseases
Palpable purpura is seen in all except - (AIPG 2009)
a. ITP causes non-palpable purpura.
b. Just remember simple facts
i. Palpable purpura is due to vasculitis - Wegner's GN, HSP & serum sickness cause vasculitis.
ii. Non-palpable purpura is due to defect in clotting factors, platelet functions or vascular fragility à ITP causes defect in platelets.