Petechiae, Purpura, Vasculitis


A 28-year-old woman presents with scattered red macules on her legs, ankles, and feet (see photo) that are neither painful nor itchy. What is the next best step in diagnosis?


A 7-year-old boy presents to the urgent care clinic with abdominal pain, joint aches, and a rash on his legs and feet (see photo). He does not have a history of frequent nosebleeds, easy bruising, or other episodes of abnormal bleeding. Based on the image and the patient’s history, what is the most likely diagnosis?


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