open access

Vol 68, No 3 (2017)
Postgraduate education
Published online: 2017-06-21
Submitted: 2016-07-07
Accepted: 2016-07-08
Get Citation

Diagnostic pitfalls of adrenal incidentaloma

Ewa Cyrańska-Chyrek, Małgorzata Grzymisławska, Marek Ruchała
DOI: 10.5603/EP.2017.0028
·
Endokrynologia Polska 2017;68(3):360-377.

open access

Vol 68, No 3 (2017)
Postgraduate education
Published online: 2017-06-21
Submitted: 2016-07-07
Accepted: 2016-07-08

Abstract

Adrenal incidentaloma (AI) includes all lesions with diameter ≥ 1 cm found incidentally during imaging examinations not associated with suspected adrenal pathology. Every adrenal incidentaloma requires a detailed hormonal and imaging assessment. Initial diagnosis includes radiological phenotypical evaluation (particularly in CT, or in case of contraindications — in MRI) and biochemical assessment of tumour hormonal activity (which includes cortisol circadian rhythm, salivary cortisol concentration, 24-hour urinary free-cortisol and metanephrines test, short cortisol and dexamethasone suppression test, ACTH level assessment, aldosterone and ARO concentration, adrenal androgen concentration). Each diagnostic step is associated with limitations and method imperfections. The influence of administered medications, age and concomitant diseases must be taken into account when interpreting test results. It is important to remember abovementioned factors may cause false positive or false negative test results. The following paper is to summarize the etiology of the most common diagnostic mishaps which frequently lead to misdiagnoses, an increase in patient’s anxiety and, as a consequence, in the introduction of improper therapy or its discontinuation. The awareness of biochemical and imaging test limitations, and the knowledge of false positive and false negative result sources, allows for the optimisation of the diagnostic process. Simultaneously, the analyzed factors may contribute to a decrease in unnecessary and frequently repeated tests. Additionally, it may imply avoiding the costs of unjustified deep diagnostics.

Abstract

Adrenal incidentaloma (AI) includes all lesions with diameter ≥ 1 cm found incidentally during imaging examinations not associated with suspected adrenal pathology. Every adrenal incidentaloma requires a detailed hormonal and imaging assessment. Initial diagnosis includes radiological phenotypical evaluation (particularly in CT, or in case of contraindications — in MRI) and biochemical assessment of tumour hormonal activity (which includes cortisol circadian rhythm, salivary cortisol concentration, 24-hour urinary free-cortisol and metanephrines test, short cortisol and dexamethasone suppression test, ACTH level assessment, aldosterone and ARO concentration, adrenal androgen concentration). Each diagnostic step is associated with limitations and method imperfections. The influence of administered medications, age and concomitant diseases must be taken into account when interpreting test results. It is important to remember abovementioned factors may cause false positive or false negative test results. The following paper is to summarize the etiology of the most common diagnostic mishaps which frequently lead to misdiagnoses, an increase in patient’s anxiety and, as a consequence, in the introduction of improper therapy or its discontinuation. The awareness of biochemical and imaging test limitations, and the knowledge of false positive and false negative result sources, allows for the optimisation of the diagnostic process. Simultaneously, the analyzed factors may contribute to a decrease in unnecessary and frequently repeated tests. Additionally, it may imply avoiding the costs of unjustified deep diagnostics.

Get Citation

Keywords

adrenal adenoma; incidentaloma; hormonal diagnostics; false positive results

About this article
Title

Diagnostic pitfalls of adrenal incidentaloma

Journal

Endokrynologia Polska

Issue

Vol 68, No 3 (2017)

Pages

360-377

Published online

2017-06-21

DOI

10.5603/EP.2017.0028

Bibliographic record

Endokrynologia Polska 2017;68(3):360-377.

Keywords

adrenal adenoma
incidentaloma
hormonal diagnostics
false positive results

Authors

Ewa Cyrańska-Chyrek
Małgorzata Grzymisławska
Marek Ruchała

Important: This website uses cookies.tanya dokter More >>

The cookies allow us to identify your computer and find out details about your last visit. They remembering whether you've visited the site before, so that you remain logged in - or to help us work out how many new website visitors we get each month. Most internet browsers accept cookies automatically, but you can change the settings of your browser to erase cookies or prevent automatic acceptance if you prefer.

Via MedicaWydawcą serwisu jest  "Via Medica sp. z o.o." sp.k., ul. Świętokrzyska 73, 80–180 Gdańsk

tel.:+48 58 320 94 94, faks:+48 58 320 94 60, e-mail:  viamedica@viamedica.pl