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Pharmacological and analytical interference in hormone assays for diagnosis of adrenal incidentaloma

Abstract : Adrenal incidentaloma refers to an asymptomatic adrenal mass detected through an imaging procedure performed for reasons unrelated to adrenal dysfunction or suspected dysfunction. In general, adrenal incidentalomas are non-functioning adrenal adenomas, but in some cases, may require therapeutic intervention: eg., adrenocortical carcinoma, pheochromocytoma, primary aldosteronism, cortisol hypersecretion, or adrenal insufficiency. Hormone assessment is crucial to characterize adrenal incidentaloma. Nowadays, various hormone assay methods are available, such as immunoassay and mass spectrometry. However, there are several pitfalls that should be considered: e.g., circadian rhythm, gender/age dependency, preanalytical and analytical issues, and drug interactions. Pharmacological or analytical interference can lead to false serum concentrations and may result in misinterpretation of results and thus inappropriate treatment. The purpose of this review was to study the main interferences that may be observed in the different tumor types of adrenal incidentalomas in order to help physicians in their clinical decision-making and for the overall benefit of patients.
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Antoine-Guy Lopez, François Fraissinet, Hervé Lefebvre, Valéry Brunel, Frederic Ziegler. Pharmacological and analytical interference in hormone assays for diagnosis of adrenal incidentaloma. Annales d'Endocrinologie, Elsevier Masson, 2019, 80 (4), pp.250-258. ⟨10.1016/j.ando.2018.11.006⟩. ⟨hal-02368598⟩



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