A previously healthy 1-year-old girl was admitted to the hospital with a 4-day history of high fever accompanied by erythema and swelling of the left third finger, gingival inflammation, and tongue ulcerations. What is your diagnosis for this girl? * This case is from the Editorial Team of Docplexus and is meant for educational purposes only.

Source: NEJM The answer will be posted in the Comments section. Click here .