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A Focal Form of Diazoxide-resistant Congenital Hyperinsulinism with Good Response to Long-acting Somatostatin

Suhaimi Hussain1, Nurshafinaz Salmah Mohd Fezal1, Sarah Flanagan2

  • 1Department of Pediatrics, Hospital Universiti Sains Malaysia, Kota Bharu Kelantan, Malaysia.

Journal of the ASEAN Federation of Endocrine Societies
|December 2, 2024
PubMed

A four-year-old female who was born term via spontaneous vaginal delivery (SVD) with a birth weight of 3.4 kg had an onset of persistent hypoglycaemia at the 6th hour of life. She was diagnosed with congenital hyperinsulinism based on high glucose load, negative ketone and a good response to glucagon. Genetic workup revealed the presence of ATP Binding Cassette Subfamily C Member 8 (ABCC8 genes) mutation which indicated a focal form of congenital hyperinsulinism. She was resistant to the standard dose of oral diazoxide but responded to subcutaneous somatostatin. At the age of 3 years and 6 months, multiple daily injections of somatostatin were replaced with a long-acting monthly somatostatin analogue. With the present treatment, she had better glycaemic control, normal growth and was able to stop tube feeding.

Keywords:
congenital hyperinsulinismfocal congenital hyperinsulinismhyperinsulinaemic hypoglycaemiasomatostatin

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