Palpable purpura are seen in all EXCEPT:
Correct Answer: Giant cell aeritis
Description: Giant cell aeritis REF: Harrison's 18' ed chapter 53 table 54-16 "Giant cell aeritis being a large vessel vasculitis does not cause any purpura" CAUSES OF PURPURA: Palpable Non palpable Primary cutaneous Trauma disorder Solar purpura Steroid purpura Capillaritis Livedoid vasculopathy Systemic disorder Vasculitis Vascular fragility * Cutaneous small-vessel * Amyloidosis vasculitis (Henoch-Schanlein * Ehlers-Danlos syndrome purpura, Acute hemorrhagic * Scurvy edema of infancy, Uicarial Thrombi vasculitis, Cryoglobulinemic * DIC vasculitis, Erythema elevatum * Monoclonal cryoglobulinemia diutinum, Granuloma faciale) * TTP * Polyaeritis nodosa * Warfarin reaction Emboli Emboli * Acute meningococcemia * Cholesterol * Disseminated gonococcal * Fat infection Possible immune complex * Rocky Mountain spotted fever * Gardner-Diamond syndrome * Ecthyma gangrenosum (autoerythrocyte sensitivity) * Waldenstrom's hypergammaglobulinemic purpura Clotting disturbances * ITP * Abnormal platelet function * Clotting factor defects
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