Adrenal Incidentalomas Overview

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Questions and Answers

What is the incidence of incidentally found adrenal lesions in the general population undergoing CT imaging?

  • Around 10%
  • More than 15%
  • Up to 6%
  • Up to 4% (correct)

In which age group do adrenal incidentalomas have the peak incidence?

  • 6th and 7th decades (correct)
  • 4th and 5th decades
  • 3rd and 4th decades
  • 5th and 6th decades

What percentage of adrenal incidentalomas are nonfunctioning?

  • 50%
  • 80% (correct)
  • 60%
  • 70%

Which of the following is not a possible etiology of adrenal incidentalomas?

<p>Thyroid cancer (B)</p> Signup and view all the answers

What is the usual size for most primary adrenocortical carcinomas?

<p>&gt;6 cm (B)</p> Signup and view all the answers

How much growth over a period of 3 to 6 months might raise suspicion for an adrenal lesion being an adrenocortical carcinoma?

<p>&gt;0.5 to 1 cm (B)</p> Signup and view all the answers

Which imaging modalities are commonly used to detect adrenal incidentalomas?

<p>CT and MRI (C)</p> Signup and view all the answers

What is the predominant type of adrenal lesion found incidentally?

<p>Nonfunctioning benign adrenocortical adenoma (B)</p> Signup and view all the answers

What is the gender predilection for adrenal incidentalomas?

<p>More common in women (C)</p> Signup and view all the answers

What percentage of adrenal incidentalomas are bilateral?

<p>~10% (D)</p> Signup and view all the answers

Which etiology of adrenal incidentalomas is most commonly functioning?

<p>Pheochromocytoma (D)</p> Signup and view all the answers

At what rate of growth over 3 to 6 months might an adrenal lesion be suspected as an adrenocortical carcinoma?

<p>&gt;0.5 cm growth (A)</p> Signup and view all the answers

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