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Lookup NU author(s): Sophie Howarth, Dr Catherine Napier, Professor Simon PearceORCiD
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
© 2022 The authors.Autoimmune Addison’s disease (AAD) is defined as primary adrenal insufficiency due to immune-mediated destruction of the adrenal cortex. This destruction of steroid-producing cells has historically been thought of as an irreversible process, with linear progression from an ACTH-driven compensated phase to overt adrenal insufficiency requiring lifelong glucocorticoid replacement. However, a growing body of evidence suggests that this process may be more heterogeneous than previously thought, with potential for complete or partial recovery of glucocorticoid secretion. Although patients with persistent mineralocorticoid deficiency despite preserved or recovered glucocorticoid function are anecdotally mentioned, few well-documented cases have been reported to date. We present three patients in the United Kingdom who further challenge the long-standing hypothesis that AAD is a progressive, irreversible disease process. We describe one patient with a 4-year history of mineralocorticoid-only Addison’s disease, a patient with spontaneous recovery of adrenal function and one patient with clinical features of adrenal insufficiency despite significant residual cortisol function. All three patients show varying degrees of mineralocorticoid deficiency, suggesting that recovery of zona fasciculata function in the adrenal cortex may occur independently to that of the zona glomerulosa. We outline the current evidence for heterogeneity in the natural history of AAD and discuss possible mechanisms for the recovery of adrenal function.
Author(s): Howarth S, Giovanelli L, Napier C, Pearce SH
Publication type: Article
Publication status: Published
Journal: Endocrine Connections
Year: 2023
Volume: 12
Issue: 1
Print publication date: 01/01/2023
Online publication date: 18/11/2022
Acceptance date: 18/11/2022
Date deposited: 28/03/2023
ISSN (electronic): 2049-3614
Publisher: BioScientifica Ltd.
URL: https://doi.org/10.1530/EC-22-0305
DOI: 10.1530/EC-22-0305
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