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Rivista sulle Malattie del Sistema Endocrino

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Minerva Endocrinologica 2017 Oct 27

DOI: 10.23736/S0391-1977.17.02764-X


lingua: Inglese

Clinical endocrinology and hormones quantitation: the increasing role of mass spectrometry

Federica D’AURIZIO 1, Marco CANTÙ 2

1 Department of Laboratory Medicine, Clinical Pathology Institute, Azienda Sanitaria Universitaria Integrata di Udine, Udine, Italy; 2 Department of Laboratory Medicine EOLAB, Laboratory of Clinical Biochemistry & Pharmacology, Ente Ospedaliero Cantonale, Bellinzona, Switzerland


Clinical endocrinology has always had a close relationship with laboratory medicine. In fact, the quantification of hormones is of great importance for diagnosis, treatment, recurrence and patient’s prognosis of endocrine disorders. This review dealt with the role of the laboratory in diagnosing endocrine pathologies related to adrenal gland, pituitary, gonads and thyroid. The measurements of the main hormones (17- hydroxyprogesterone, androstenedione, dehydroepiandrosterone sulphate, testosterone, estradiol, cortisol, aldosterone, metanephrines, thyroglobulin and insulin-like-growth factor-1) were described considering analytical characteristics but also some aspects of pre-analytical and post- analytical steps. Traditionally, hormonal quantification is performed with immunoassays (IMAs), which have several advantages (i.e. limited training of technicians, high throughput, widely spread worldwide), but also some limitations on the accuracy of the results due mainly to cross-reactivity of IMA antibodies (i.e. steroid measurements) and protein interferences (i.e. heterophilic antibodies, antithyroglobulin antibodies in Tg measurements, etc). In order to meet the need for clinicians to obtain ever more accurate results from laboratories, in recent decades, mass spectrometry (MS) has been developed. MS, in particular Liquid Chromatography - Tandem MS (LC-MS/MS), is a more complex but also more flexible technique able to guarantee greater specificity. It also provides multi-parameter quantification in the same analytical session delineating steroid profiles and, in some cases, defining the appropriate reference range for each hormone. Similar to IMAs, LC-MS/MS shows some inter-method variability, limiting the goal of standardization. However, several studies have recently demonstrated the possibility of reaching harmonization of this technology with good expectations for the future.

KEY WORDS: Endocrinology - Hormone - Immunoassays - Liquid chromatography tandem-mass spectrometry - LC-MS/MS - Steroids - Thyroglobulin - Insulin-like-growth factor-1 - IGF1

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Publication History

Article first published online: October 27, 2017
Manuscript accepted: October 25, 2017
Manuscript received: October 16, 2017

Per citare questo articolo

D'Aurizio F, Cantù M. Clinical endocrinology and hormones quantitation: the increasing role of mass spectrometry. Minerva Endocrinol 2017 Oct 27. DOI: 10.23736/S0391-1977.17.02764-X

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