DOI: 10.1373/clinchem.2013.216861


A 25-year-old woman with a history of multiple medical problems including a distal pancreatectomy and splenectomy 6 months earlier for pancreatic mass (solid pseudopapillary tumor with negative margins), systemic lupus erythematous (SLE),3 Crohn disease, and a history of alcohol abuse presented to her pain management physician with weakness, decreased appetite, worsening joint pain, abdominal pain, and diarrhea (five episodes per day, some visibly bloody).