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What is Pheochromocytoma does not arise from which of the following - and explain in detail?
Pheochromocytoma

Pheochromocytoma is a neoplasm of chromaffin cells which usually arise from the adrenal medulla.
About 10% of these tumors arise at extra-adrenal sites, where they are called paraganglioma:-


Paravertebral paraganglia (organs of zuckerkandl ) → Have sympathetic connection.
Carotid bodies (chemodectomas).