A 5-year-old boy presents to the ER complaining that his “stomach hurts” for 2 days. Physical exam revealed severe abdominal tenderness with guarding, lower extremity stiffness and palpable rash on the legs and buttocks (Image attached). Three weeks ago, his mother said that he suffered from an upper respiratory infection which had resolved.
What is the probable diagnosis in this case? *This image based case is from Docplexus Editorial Team for educative purpose only. Source: Let's talk medicine The answers are posted in the comments section click here .