Extra-adrenal pheochromocytoma secretes –
Correct Answer: Norepinephrine
Description: Ans is option 1.. Norepinephrine Catecholamines secreted by adrenal medulla - Normally - epinephrine 80% nor epinephrine 20% In adrenal pheochromacytoma- epinephrine is the main hormone secreted.. Norepinephrine also increased In extraadrenal pheochromocytoma - Norepinephrine exclusively In malignant pheochromocytoma - dopamine and homovanillmic acid increases Ref Harrison 17/e p 2270
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