During a two-year period, four cases of methemalbuminemia associated with an acute abdomen were found in which acute pancreatitis was not present. It is concluded that the finding of methemalbuminemia is not a specific test for acute hemorrhagic pancreatitis.
Goodhead B. Significance of Methemalbuminemia in Acute Abdominal Emergencies. Arch Surg. 1970;101(3):376-378. doi:10.1001/archsurg.1970.01340270024006