A 43-year-old woman presents with recurrent episodes of confusion, diaphoresis, and tremor that resolve within minutes of eating. During a symptomatic episode, vital signs show HR 98/min, BP 128/82 mmHg, and RR 16/min. Laboratory studies reveal serum glucose 38 mg/dL, insulin 18 mIU/L (elevated), and C-peptide 3.2 ng/mL (elevated). Hepatic function tests are normal. She denies current medication use. Which of the following is the most likely diagnosis?
- A)Somatostatinoma
- B)Glucagonoma
- C)InsulinomaGABARITO
- D)Exogenous insulin administration
- E)VIPoma
Explicação
An insulinoma is a pancreatic beta cell tumor that causes endogenous hyperinsulinemic hypoglycemia. Whipple triad is present: symptoms of hypoglycemia, low plasma glucose, and relief after glucose administration. Elevated C peptide distinguishes endogenous ins... Ver explicação completa e trilha adaptativa →