“…3 This is the second reported case of metastatic insulinoma presenting after bariatric surgery, the first being in abstract form. 2 The differential diagnosis for hypoglycemia is broad but in the seemingly well patient such as ours, it should include insulinoma, post-bariatric hypoglycemia, NIPHS, insulin autoimmune hypoglycemia, medications, and factitious hypoglycemia. 4 Given the patient's history of sleeve gastrectomy, post-bariatric hypoglycemia was a consideration.…”