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. 2015 Feb 27:15:6.
doi: 10.1186/s12902-015-0001-x.

Limited value of long-term biochemical follow-up in patients with adrenal incidentalomas-a retrospective cohort study

Hannah Yeomans  1 , Jan Calissendorff  2 , Cristina Volpe  3 , Henrik Falhammar  4   5 , Buster Mannheimer  6
Affiliations

Limited value of long-term biochemical follow-up in patients with adrenal incidentalomas-a retrospective cohort study

Hannah Yeomans et al. BMC Endocr Disord. .

Abstract

Background: The prevailing view that advocates long-term hormonal follow-up of adrenal incidentalomas is currently under debate. The purpose of the present study was to examine all adrenal incidentalomas presented during five years to a single centre. We hypothesized that 24-month biochemical follow-up in patients with an initial normal screening would fail to increase the sensitivity in finding hormone producing tumours.

Methods: The present study is a retrospective register based cohort study of 194 patients referred to the Department of Endocrinology at Södersjukhuset between the years 2006-2010. Computerized medical records were used to find and extract information on patients with newly discovered adrenal incidentalomas. The sensitivity, specificity, positive predictive value and negative predictive value were calculated to evaluate the validity of an initial normal screening when used to identify individuals with hormone producing tumours.

Results: Of the incidentalomas 94% consisted of benign, non-functioning tumours. Three patients were diagnosed with cortisol hypersecretion and one with pheochromocytoma. The sensitivity, specificity, positive predictive value and negative predictive value of an initial complete negative screening to predict a hormone producing tumour were 100%, 63%, 12% and 100%, respectively.

Conclusion: Patients with an initially normal hormonal screening may not need further biochemical follow-up.

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Figures

Figure 1
Figure 1
Patient flow chart.
Figure 2
Figure 2
The validity of an initial hormonal screening to identify individuals with hormonal producing tumours in 63 patients.
See this image and copyright information in PMC

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