Editor’s Note:
The Case Challenge series includes difficult-to-diagnose conditions, some of which are not frequently encountered by most clinicians, but are nonetheless important to accurately recognize. Test your diagnostic and treatment skills using the following patient scenario and corresponding questions. If you have a case that you would like to suggest for a future Case Challenge, please email us at [email protected] with the subject line “Case Challenge Suggestion.” We look forward to hearing from you.
Background and Initial Presentation
A 13-year-old boy presents to the emergency department (ED) with a history of epigastric pain, vomiting, malaise, polyuria, and a 12-lb weight loss during the past 3 months. His parents have brought him to the emergency department today because his pain and vomiting are…