Altered bone mass and turnover in female patients with adrenal incidentaloma: The effect of subclinical hypercortisolism

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Abstract

The strategy of treatment for patients with adrenal incidentalomas (AI) may depend upon the presence of hormonal hypersecretion. Although alterations of bone turnover have been recently reported, data on bone mineral density (BMD) are not available in AI patients. We evaluated bone turnover and BMD in 32 female AI patients and 64 matched controls. Spinal and femoral BMD were similar in patients and controls. Serum bone GLA protein (6.8 ± 3.5 vs. 8.8 ± 3.2 ng/mL; P <0.005) and PTH (48.8 ± 15.1 vs. 37.2 ± 10.9 pg/mL; P <0.0001) were different in patients and controls. Patients were then subdivided into 2 groups: with (n = 8; group A) or without (n = 24; group B) subclinical hypercortisolism. PTH was higher (P <0.05) in group A than in group B and in both groups than in controls (57.1 ± 13.6, 46.0 ± 14.8, and 37.2 ± 10.9 pg/mL, respectively), and bone GLA protein was lower in group A than in group B and controls (3.8 ± 2.3, 7.5 ± 3.1, and 8.8 ± 3.2 ng/mL, respectively; P <0.05). Serum type I cross-linked C telopeptide and fasting urinary deoxypyridinoline/creatinine were not different in the three groups. BMD at each site was lower (P <0.05) in group A than in group B and controls. Bone mass and metabolism are altered in AI patients with subclinical hypercortisolism and should be taken into account, therefore, when addressing the treatment of choice for these patients.

Original languageEnglish
Pages (from-to)2381-2385
Number of pages5
JournalJournal of Clinical Endocrinology and Metabolism
Volume84
Issue number7
Publication statusPublished - 1999

ASJC Scopus subject areas

  • Biochemistry
  • Endocrinology, Diabetes and Metabolism

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