The risks of failure of conventional treatment of insulinomas should be reduced, it seems, when the surgical operation is carried out using an artificial pancreas. The Biostator, used with feed back controlled glucose infusion in 32 cases of which two personal effectively allows one firstly to operate in complete security since it is programmed to maintain a pre-determined glycaemia during the various stages of the operation; it also allows one to put into evidence an occult tumour in a segment rendered suspect due to the sudden hypoglycaemia observed during its mobilisation; it finally allows one by the appearance of a post-excision hyperglycaemia peak to find out whether the procedure has been complete.
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