This paper describes the case of a patient with neuropsychiatric<br />symptoms who was diagnosed with hyperinsulinemic<br />hypoglycemia with high suspicion of insulinoma, even after<br />conventional diagnostic imaging was unable to locate it. A<br />selective angiography of the pancreatic arteries and a calcium<br />stimulation test were conducted to determine its location.<br />The patient underwent a distal pancreatectomy using an<br />intraoperative ultrasound, resulting in the disappearance of<br />her symptoms.
