Endocrine Abstracts

A 23-year-old woman presented in May 2018 with acute left-sided hemiparesis following increasingly frequent episodes of morning drowsiness with associated weight loss. She had no significant past medical history or family history. Brain imaging excluded intracranial pathology. Blood tests during a spontaneous hypoglycaemic episode (1.5 mmol/l) identified significant hyperinsulinaemic hypoglycaemia [insulin 392 pmol/l (18–173) and C-peptide 3913 pmol/l (370–1470)]. MR...