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What is Nelson syndrome is seen in: and explain in detail?
a. Adrenalectomy(Ref: Nelson's 20/e p 2714-2723, Ghai 8/e p 526-527)Adrenalectomy, in a case of pituitary adenoma, may lead to increased ACTH secretion by an unresected pituitary adenoma, evidenced mainly by marked hyperpigmentation; this condition is termed Nelson syndrome.