What is adrenal incidentaloma?

Adrenal incidentaloma is a tumour of the adrenal glands, which, as the word says, is discovered by chance on an imaging test done for another reason.

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How common is it?

Adrenal incidentalomas are found in 5% of imaging studies. However, their incidence reaches 10% in elderly individuals.

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Is adrenal incidentaloma an adrenal cancer?

The majority of adrenal incidentalomas are benign tumours. A 2-5% of the incidentalomas are adrenal cancers.

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What should I do if I am diagnosed with an adrenal incidentaloma?

If a patient is diagnosed with an adrenal incidentaloma, he/she should be referred to an endocrinologist to investigate whether the tumour is benign or malignant and whether it is hypersecreting some hormones that may be causing problems.

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Νεφρά επινεφρίδια - Σύνδρομο Cushing - πρωτοπαθής υπεραλδοστερονισμός - τυχαίωμα επινεφριδίων

What are the signs and symptoms of an adrenal incidentaloma?

Usually incidentalomas are asymptomatic and do not secrete hormones. However, 10-15% of them secrete excess hormones, such as cortisol, aldosterone, or catecholamines. In this case, they may cause subclinical Cushing’s syndrome, primary hyperaldosteronism, or pheochromocytoma.

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How is adrenal incidentaloma treated?

The treatment of an adrenal incidentaloma depends on whether it is functional (secretes excess hormones) or not and whether it is a benign or malignant tumour. And it may include:

  • Surgery
  • Drug treatment
  • Follow –up
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