Abstract
A case of chronic primary adrenal insufficiency without hyperpigmentation in a 64-yearold woman is reported. Due to the absence of hyperpigmentation the diagnosis was delayed and she became critically ill. During endocrine evaluation, in order to investigate the mechanism responsible for the absence of hyperpigmentation, skin biopsy was done and hormones responsible for the skin pigmentation were measured. Absence of hyperpigmentation is explained by high degree of melanosome degradation in secondary lysosomes called “compound melanosomes”, which overwhelmed increased stimulation of the skin pigmentation. Melanocyte-stimulating hormones were elevated with a strikingly high \-LPH/ACTH ratio. To our knowledge, this is the first study of pathogenic mechanisms responsible for the absence of hyperpigmentation in white Addison’s disease.
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Kendereški, A., Micić, D., Šumarac, M. et al. White Addison’s disease: What is the possible cause?. J Endocrinol Invest 22, 395–400 (1999). https://doi.org/10.1007/BF03343579
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DOI: https://doi.org/10.1007/BF03343579