How Does a Primary Adenoma Cause Thyroid and Adrenal Hypofunction

question 54

Multiple Choice

How does a primary adenoma cause thyroid and adrenal hypofunction?

• A) The tumor metastasizes to the thyroid and adrenal glands through the lymphatic system causing reduce secretion of necessary hormones.
• B) The tumor has a paradoxical effect on adjacent cells,which results in hyposecretion of other anterior pituitary hormones.
• C) The tumor invades the hypothalamus adjacent to it and causes a reduction in the amount of hormones produced.
• D) The tumor releases tumor markers that occupy the hormone receptor sites of other endocrine organs.

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