Abstract
Purpose
ACTH-secreting pheochromocytoma is a rare cause of ectopic Cushing’s syndrome, posing a clinical challenge for the severity of its clinical presentation, the difficulty in the prevention and the management of surgical complications. Sparse data are currently available about the optimal preoperative management of the severe symptoms due to both hypercortisolism and catecholamine excess, especially regarding the role and timing of medical therapies.
Methods
We present a series of three patients with ACTH-secreting pheochromocytoma. A brief review of the available literature evidence on the preoperative management of this rare clinical condition is also conducted.
Discussion
Patients with ACTH-secreting pheochromocytoma show peculiarities as compared to other forms of ACTH-dependent Cushing’s syndrome, in terms of clinical presentation, preoperative management, and peri- and post-surgical short-term outcome. Pheochromocytoma should be ruled out in patient with ectopic CS of unknown origin because of the high anesthesiologic risk of proceeding to surgery with an undiagnosed pheochromocytoma. Proper preoperative recognition of complications of both hypercortisolism and catecholamines excess is the key to prevent the morbidity and mortality of an ACTH-producing pheochromocytoma. In these patients the absolute priority is to control excessive cortisol secretion since the rapid correction of the hypercortisolism is the most effective treatment of all the related comorbidities and it is mandatory to prevent severe complications during surgery, opting if necessary for a “block-and-replace” regimen.
Conclusion
Our additional cases and this literature review could provide a better understanding of the complications to be evaluated at diagnosis and some suggestions on their management during the preoperative period.
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Data availability
The dataset genereted and analyzed during the study are available from the corresponding author on reasonable request.
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Birtolo, M.F., Grossrubatscher, E.M., Antonini, S. et al. Preoperative management of patients with ectopic Cushing’s syndrome caused by ACTH-secreting pheochromocytoma: a case series and review of the literature. J Endocrinol Invest 46, 1983–1994 (2023). https://doi.org/10.1007/s40618-023-02105-4
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DOI: https://doi.org/10.1007/s40618-023-02105-4