Henoch-Schonlein Purpura

Rhumatoid Purpura Cutaneous Manifestation At The Level Of The Right Ankle. Rhumatoid Purpura, Also Named Henoch Schonlein Purpura, Is A Vasculitis Inflammation Of Small Vessels Allergic Or Auto Immune Origin. It Mainly Affects Children Between Two And Seven Years Old. The Exact Cause Of This Allergic Reaction Is Generally Unknown ; It Could Be A Respiratory Infection, A Vaccination, The Ingestion Of An Aliment, An Insect Sting, . . . . The Deposit Of Immune Complexes In The Vessels Causes An Inflammation, Originating From The Default Of Vascular Permeability And As A Result Sub Cutaneous Micro Hemorrhages. This Syndrome Is Characterized By A Purpura Petechies, Des Articulary Pains Knees And Ankles, An Oedema Of The Foot, Abdominal Pains And Seldom A Renal Affection. (Photo By BSIP/UIG Via Getty Images)