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      Adrenal Incidentaloma

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          Abstract

          An adrenal incidentaloma is now established as a common endocrine diagnosis that requires a multidisciplinary approach for effective management. The majority of patients can be reassured and discharged, but a personalized approach based upon image analysis, endocrine workup, and clinical symptoms and signs are required in every case. Adrenocortical carcinoma remains a real concern but is restricted to <2% of all cases. Functional adrenal incidentaloma lesions are commoner (but still probably <10% of total) and the greatest challenge remains the diagnosis and optimum management of autonomous cortisol secretion. Modern-day surgery has improved outcomes and novel radiological and urinary biomarkers will improve early detection and patient stratification in future years to come.

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          Most cited references352

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          The Management of Primary Aldosteronism: Case Detection, Diagnosis, and Treatment: An Endocrine Society Clinical Practice Guideline.

          To develop clinical practice guidelines for the management of patients with primary aldosteronism.
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            Wnt signaling and cancer.

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              A prospective study of the prevalence of primary aldosteronism in 1,125 hypertensive patients.

              We prospectively investigated the prevalence of curable forms of primary aldosteronism (PA) in newly diagnosed hypertensive patients. The prevalence of curable forms of PA is currently unknown, although retrospective data suggest that it is not as low as commonly perceived. Consecutive hypertensive patients referred to 14 hypertension centers underwent a diagnostic protocol composed of measurement of Na+ and K+ in serum and 24-h urine, sitting plasma renin activity, and aldosterone at baseline and after 50 mg captopril. The patients with an aldosterone/renin ratio >40 at baseline, and/or >30 after captopril, and/or a probability of PA (by a logistic discriminant function) > or =50% underwent imaging tests and adrenal vein sampling (AVS) or adrenocortical scintigraphy to identify the underlying adrenal pathology. An aldosterone-producing adenoma (APA) was diagnosed in patients who in addition to excess autonomous aldosterone secretion showed: 1) lateralized aldosterone secretion at AVS or adrenocortical scintigraphy, 2) adenoma at surgery and pathology, and 3) a blood pressure decrease after adrenalectomy. Evidence of excess autonomous aldosterone secretion without such criteria led to a diagnosis of idiopathic hyperaldosteronism (IHA). A total of 1,180 patients (age 46 +/- 12 years) were enrolled; a conclusive diagnosis was attained in 1,125 (95.3%). Of these, 54 (4.8%) had an APA and 72 (6.4%) had an IHA. There were more APA (62.5%) and fewer IHA cases (37.5%) at centers where AVS was available (p = 0.002); the opposite occurred where AVS was unavailable. In newly diagnosed hypertensive patients referred to hypertension centers, the prevalence of APA is high (4.8%). The availability of AVS is essential for an accurate identification of the adrenocortical pathologies underlying PA.

                Author and article information

                Journal
                Endocr Rev
                Endocr. Rev
                edrv
                Endocrine Reviews
                Oxford University Press (US )
                0163-769X
                1945-7189
                December 2020
                08 April 2020
                08 April 2020
                : 41
                : 6
                : bnaa008
                Affiliations
                [1 ] Department of Endocrinology, Beaumont Hospital , Dublin, Ireland
                [2 ] Royal College of Surgeons in Ireland , Dublin, Ireland
                [3 ] Department of Radiology, Leeds Teaching Hospitals NHS Trust, St James University Hospital , Leeds, UK
                [4 ] Department of Endocrinology, Leeds Teaching Hospitals NHS Trust, St James University Hospital , Leeds, UK
                [5 ] Department of Endocrine Surgery, Leeds Teaching Hospitals NHS Trust, St James University Hospital , Leeds, UK
                [6 ] Faculty of Medicine & Health, University of Leeds, Worsley Building, Clarendon Way , Leeds, UK
                Author notes
                Correspondence and Reprint Requests: Professor Paul M Stewart, University of Leeds, Room 9.14, Worsley Building, Clarendon Way, Leeds LS2 9NL, UK. E-mail: p.m.stewart@ 123456leeds.ac.uk
                Author information
                http://orcid.org/0000-0003-4078-624X
                http://orcid.org/0000-0003-2497-6887
                http://orcid.org/0000-0001-9740-7621
                http://orcid.org/0000-0002-1749-9640
                Article
                bnaa008
                10.1210/endrev/bnaa008
                7431180
                32266384
                5aa1b9bd-f34d-41a7-b71d-9b4854c4a8a4
                © Endocrine Society 2020.

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 26 August 2019
                : 06 April 2020
                : 17 August 2020
                Page count
                Pages: 46
                Categories
                Review
                AcademicSubjects/MED00250

                adrenal adenoma,adrenal incidentaloma,adrenal computed tomography,autonomous cortisol secretion,adrenal cortical carcinoma

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