Central Adrenal Insufficiency: Etiology and Diagnostic Approach

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Central adrenal insufficiency (CAI) occurs due to a pituitary gland disorder (secondary AI) or hypothalamic dysfunction (tertiary AI). It is a potentially life-threatening condition that has many congenital and acquired causes. Adrenocorticotropic hormone deficiency may be isolated or more commonly it can be accompanied by other pituitary hormone deficiencies or midline defects. The signs and symptoms of CAI are associated with glucocorticoid deficiency. A three-step diagnostic approach including dynamic stimulation tests is recommended in the evaluation of patients with suspected CAI. Here, members of the ‘Adrenal Working Group’ of ‘The Turkish Society for Pediatric Endocrinology and Diabetes’ present an evidence-based review with good practice points and recommendations for etiology and diagnostic approach in children and adolescents with CAI.