Insulin Autoimmune Syndrome Induced by Exogenous Insulin Injection: a Four-case Series

Overview

Journal BMC Endocr Disord

Publisher Biomed Central

Specialty Endocrinology

Date 2019 Dec 30

PMID 31883520

Citations 9

Authors

Yimin Shen

Xiaoxiao Song

Yuezhong Ren

Affiliations

Soon will be listed here.

Abstract

Background: Insulin autoimmune syndrome (IAS) is a rare cause of hypoglycemia and is characterized by the presence of insulin autoantibodies. Patients with IAS usually complain of hypoglycemia without any previous insulin received. Glucocorticoids and immunosuppressants are used to treat IAS.

Case Presentation: We report four patients with diabetes who were diagnosed with non-classical IAS and describe the treatment of these patients. Moreover, the differential diagnosis with hyperinsulinism is discussed.

Conclusion: High levels of insulin autoantibodies, as well as hyperinsulinemic hypoglycemia, are found in patients with diabetes mellitus and prior exogenous insulin exposure. This situation that we classified as non-classical IAS should be attached importance to.

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