<prompt> A four year old child presents with mild fever, malaise, prupura, arithritis, abdominal pain and microscopic hematuria. What would be the most likely diagnosisThrombastheniaIdiopathic thrombocytopenicSystemic Lupus ErythematosusHenoch-Schonlein purpura  <response>: .Henoch-Schonlein purpura HSP is a disease involving , andor related Reference: GHAI Essential pediatrics, 8th edition 