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01.12.2015 | Research article | Ausgabe 1/2015 Open Access

BMC Endocrine Disorders 1/2015

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

Zeitschrift:
BMC Endocrine Disorders > Ausgabe 1/2015
Autoren:
Hannah Yeomans, Jan Calissendorff, Cristina Volpe, Henrik Falhammar, Buster Mannheimer
Wichtige Hinweise

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

HY, JC, CV, HF and BM contributed to conception and design and interpretation of data. BM and HY contributed to acquisition of data. HY, JC, CV, HF and BM were involved in drafting and or revising the manuscript as well as giving final approval of the version to be published. All authors read and approved the final manuscript.

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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