Moreover, the new guidelines suggest diagnostic thresholds for insulinoma of ≥0.2 nmol/l for C peptide, ≥5.0 pmol/l for proinsulin and ≤2.7 mmol/l for β hydroxybutyrate. The accuracy of ...
such as an elevated C-peptide level and a low β-hydroxybutyrate concentration, prompted further investigation for localization of a possible insulinoma. CT of the pancreas revealed a slight ...