Does a tumor on adrenal gland produce high cortisol levels?
Benign tumour produce specefic hormone
Adrenal gland has a portion called cortex and another portion called medulla.
Cortex produce hormones like cortisol, androgens and aldosterone.
Medulla produce adrenaline and nor adrenaline.
Usually a benign tumor produce a specific hormone. If the benign tumor is arising from cortisol producing cells, it will secrete cortisol only.
However, malignant tumors produce more than one hormone
What does to much cortisol do to brain?
Benign tumour that produce testosterone usually do not produce cortisol.
Excess cortisol secretion cause cushing's syndrome. Excess cortisol can affect brain and cause emotional disturbances, Euphoria, Depression as well as psychosis. But these are rare. Excess cortisol can cause obesity, high blood pressure, high blood sugarss, weak bones and musceles, fractures of bones etc. These are more common than effects on brain.
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