Risk of bone fractures after the diagnosis of adrenal adenomas: A population-based cohort study

Dingfeng Li, Ravinder Jeet Kaur, Catherine D. Zhang, Andreas Ebbehoj, Sumitabh Singh, Elizabeth J. Atkinson, Sara J. Achenbach, Walter Rocca, Sundeep Khosla, Irina Bancos

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Objective: Several small studies reported increased prevalence and inciden ce of asymptomatic vertebral fractures in patients with non-functioning adrenal adenomas and adenomas wit h mild autonomous cortisol secretion. However, the risk of symptomatic fractures at vertebrae, and at other si tes remains unknown. Our objective was to determine the prevalence and incidence of symptomatic site-specific fractu res in patients with adrenal adenomas. Design: Population-based cohort study, Olmsted County, Minnesota, USA, 1995-2017. Methods: Participants were the patients with adrenal adenoma and age/sex -matched referent subjects. Patients with overt hormone excess were excluded. Main outcomes measures were prevalence and incidence of bone fractures. Results: Of 1004 patients with adrenal adenomas, 582 (58%) were women, a nd median age at diagnosis was 63 years (20-96). At the time of diagnosis, patients had a higher preval ence of previous fractures than referent subjects (any fracture: 47.9% vs 41.3%, P = 0.003, vertebral fracture: 6.4% vs 3.6%, P = 0.004, combined osteoporotic sites: 16.6% vs 13.3%, P = 0.04). Median duration of follow-up was 6.8 years (range: 0-21.9 years). After adjusting for age, sex, BMI, tobacco use, prior history of fracture, and common causes of se condary osteoporosis, patients with adenoma had hazard ratio of 1.27 (95% CI: 1.07-1.52) for developing a n ew fracture during follow up when compared to referent subjects. Conclusions: Patients with adrenal adenomas have higher prevalence of fractu res at the time of diagnosis and increased risk to develop new fractures when compared to refere nt subjects.

Original languageEnglish (US)
Pages (from-to)597-606
Number of pages10
JournalEuropean journal of endocrinology
Issue number4
StatePublished - Apr 2021

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology


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