Transient Adenocorticotropic Hormone deficiency in an infant

Nasir A.M. Al Jurayyan, Sharifaf A.D. Al Issa, Rushaid N.A. Al Jurayyan


Background: Isolated Adenocorticotropin Hormone (ACTH) deficiency is a rare disorder, characterized by secondary adrenal insufficiency with a low or absent cortisol production, normal secretion of other pituitary hormones and absence of structural pituitary defects.

Case summary: The patient was the product of a 28 weeks gestation, clomiphen induced to a 40-year-old, gestational diabetic mother. He was ventilated for 30 days, and was diagnosed to have grade IV Retina of Prematurity (ROP). He suffered from recurrent attacks of hypoglycemic, blood sugar of 1.6 mmol/L, low serum cortisol 65 nmol/L (normal; 150-630), and ACTH of 1.5 pmol/L (normal; 1.6-13.9), with suppressed serum insulin and normal thyroid, growth hormone and gonadal functions. Magnetic Resonance Imaging (MRI) was unremarkable. He was started on hydrocortisone 2.5 mg twice daily for two years, which was then slowly tapered and stopped. Later Serum cortisol was 175 nmol/L, and ACTH of 5.5 pmol/L with a normal shot ACTH stimulation test.

Conclusions: This case of a premature baby who presented with recurrent hypoglycemia had an isolated ACTH deficiency that proved to be transient. The pediatricians need to be aware of the existence of such condition.

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Case Reports in Clinical Pathology

ISSN 2331-2726(Print)  ISSN 2331-2734(Online)

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