Labels:text | screenshot | black | black and white | document | font OCR: ycaemia c fasting The diagnosis of tumour-induced hyp should be suspected whenever nonket th hypoglycaemia is found in association C-peptide, suppressed levels of plasma insulin an of an and should be confirmed by the finding o normal abnormally high IGF2 to IGFI ratio due plasma or high plasma IGF2 levels and very lo y large by IGFI levels. Since tumours that cause hypoglycaemia are generally large or v the time they present with hypoglycaer ough in localisation rarely presents a problem, most some cases it is necessary to resort to th modern imaging techniques.