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Questions and Answers
What is Cushing's syndrome characterized by?
What is Cushing's syndrome characterized by?
- Increased secretion of ACTH by the pituitary gland
- Hyposecretion of glucocorticoids by the adrenal glands
- Decreased glucocorticoid secretion by the adrenal cortex
- Excessive glucocorticoid production by the adrenal cortex (correct)
What is the underlying cause of Cushing's disease?
What is the underlying cause of Cushing's disease?
- Adenoma in the adrenal cortex
- Hypersecretion of glucocorticoids by the adrenal glands
- Hyposecretion of ACTH by the pituitary gland
- Pituitary adenoma affecting ACTH secretion (correct)
What is the primary difference between Cushing's disease and Cushing's syndrome?
What is the primary difference between Cushing's disease and Cushing's syndrome?
- Cushing's disease affects the pituitary gland, while Cushing's syndrome affects the adrenal glands
- Cushing's disease is characterized by decreased glucocorticoid secretion, while Cushing's syndrome is characterized by increased secretion
- Cushing's disease affects the adrenal glands, while Cushing's syndrome affects the pituitary gland
- Cushing's disease is caused by a pituitary adenoma, while Cushing's syndrome is caused by an adrenal adenoma (correct)
What is the effect of a pituitary adenoma on ACTH secretion?
What is the effect of a pituitary adenoma on ACTH secretion?
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What is the most common cause of ACTH-dependent Cushing's syndrome?
What is the most common cause of ACTH-dependent Cushing's syndrome?
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What percentage of Cushing's endogenous syndrome is ACTH-dependent?
What percentage of Cushing's endogenous syndrome is ACTH-dependent?
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What is the role of the adrenal cortex in Cushing's syndrome?
What is the role of the adrenal cortex in Cushing's syndrome?
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What is the characteristic hormone profile in non-ACTH-dependent Cushing's syndrome?
What is the characteristic hormone profile in non-ACTH-dependent Cushing's syndrome?
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What is the underlying cause of exogenous Cushing's syndrome?
What is the underlying cause of exogenous Cushing's syndrome?
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What is the approximate percentage of non-ACTH-dependent Cushing's syndrome?
What is the approximate percentage of non-ACTH-dependent Cushing's syndrome?
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