Endocrine Abstracts

A 67-year-old lady presented with hypoglycaemic coma, treated with dextrose infusion. Previously she had a 3-month history of weight gain with increasingly frequent episodes of shaking and blurred vision, particularly at night, relieved by food.A 72-hour fast was undertaken. Within 2 h, she became confused. Serum glucose was 1.1 mmol/l with serum insulin 527 pmol/l (0–60 pmol/l), proinsulin 320 pmol/l (0–7 pmol/l) and C-peptide 2991 pmol/l (174...

The localization of biochemically proven insulinoma remains a challenge despite the advent of more sensitive methods for radiological detection. We report a case with conflicting cross-sectional, angiographic and scintigraphic findings, in which selective angiography combined with intra-arterial calcium stimulation and hepatic venous sampling (ASVS) proved to be the most accurate localizing investigation.A 17-year-old female with cerebral palsy and learn...