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Evolution of metabolic disorders after resection of pheochromocytomas and paragangliomas: a single-center study

Med Pharm Rep. 2025 Apr;98(2):190-195. doi: 10.15386/mpr-2741. Epub 2025 Apr 29.

ABSTRACT

BACKGROUND AND AIMS: Pheochromocytomas and paragangliomas are rare neuroendocrine tumors, responsible for inappropriate secretion of catecholamines, inducing metabolic disorders, increasing basal metabolic rate. Our study aimed to analyze the metabolic profile pre- and post-operatively in patients undergoing surgery for pheochromocytomas and paragangliomas and additionally to determine the predictive factors of metabolic remission.

METHODS: This was a retrospective, unicentric, descriptive, and analytical study with a duration of 9 years. It includes data from 35 patients followed up for pheochromocytoma or paraganglioma in the Endocrinology-Diabetology and Nutrition Department of a University Hospital Center. All patients underwent surgery for pheochromocytoma or paraganglioma.

RESULTS: Among the 35 patients, 51.4% of the patients with pheochromocytomas had diabetes mellitus, and 42.8% had dyslipidemia. We found that high levels of catecholamines were associated with the onset of diabetes. We also noted that patients with a long history of the disease were statistically at greater risk of developing dyslipidemia. After surgery, the body mass index of our patients had statistically increased, and 50% of patients experienced resolution or improvement of their diabetes. Improvement of dyslipidemia was observed in 53% of patients. We also found that the percentage of dyslipidemia was higher in patients who did not resolve their diabetes.

CONCLUSION: Diabetes mellitus and dyslipidemia are metabolic complications that must be investigated in patients with pheochromocytoma. Post-operative monitoring of body mass index and changes in glycemic and lipid levels is essential to adapt therapeutic management.

PMID:40371414 | PMC:PMC12070968 | DOI:10.15386/mpr-2741

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