Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Insulinoma

Medically reviewed by Min Clinic Staff | Updated: January 2026

Insulinoma: A tumor of the beta cells in areas of the pancreas called the islets of Langerhans. Although not usually cancerous, such tumors may cause the body to make extra insulin and may lead to hypoglycemia, a blood glucose (sugar) level that is too low.