Definition
Adrenal cortical hyperplasia is a non-neoplastic condition characterized by an increase in the number of cortical cells, which results in diffuse symmetric thickening with or without cortical nodules.
Clinical Features
Clinical manifestations vary from asymptomatic to Cushing syndrome, depending on etiology and severity of hyperplasia (Boscaro et al. 2001). Cushing syndrome can be pituitary-dependent (Cushing disease), related to ectopic production of adrenocorticotropic hormone (ACTH) and infrequently corticotropin-releasing factor (CRF) from neuroendocrine tumors, or due to rare forms of ACTH-independent adrenal cortical hyperplasia, such as primary pigmented nodular adrenal disease (PPNAD) and macronodular hyperplasia with marked adrenal enlargement (MHMAE).
Incidence
Adrenal cortical hyperplasia affects less than 1% of the general population.
Age
Although adrenal cortical hyperplasia is more prevalent in the elderly, it can be observed over a wide age range (Dobbie 1969)...
References and Further Reading
Boscaro, M., Barzon, L., Fallo, F., & Sonino, N. (2001). Cushing’s syndrome. Lancet, 357, 783–789.
Carney, J. A., Young, W. F., & Stratakis, C. A. (2011). Primary bimorphic adrenocortical disease: Cause of hypercortisolism in McCune-Albright syndrome. American Journal of Surgical Pathology, 35, 1311–1326.
Dobbie, J. W. (1969). Adrenocortical nodular hyperplasia: The ageing adrenal. Journal of Pathology, 99, 1–18.
Lack, E. E. (Ed.). (2007). Atlas of tumour pathology: Tumors of the adrenal gland and extra-adrenal paraganglia (Fascicle 19, series 3). Washington, DC: Armed Forces Institute of Pathology.
Lam, K. Y., & Lo, C. Y. (1999). The clinicopathologic significance of unilateral adrenal cortical hyperplasia: Report of an unusual case and a review of the literature. Endocrine Pathology, 10, 243–249.
Vassiliadi, D. A., & Tsagarakis, S. (2019). Diagnosis and management of primary bilateral macronodular adrenal hyperplasia. Endocrine-Related Cancer, 26, R567–R581.
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Galli, I.C., Nesi, G. (2020). Adrenocortical Hyperplasia. In: van Krieken, J. (eds) Encyclopedia of Pathology. Encyclopedia of Pathology. Springer, Cham. https://doi.org/10.1007/978-3-319-28845-1_5238-1
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