Is it possible to predict the development of Nelsons syndrome in Cushings disease after bilateral adrenalectomy?] [Journal Article]
A detailed analysis of clinical and laboratory findings in a group of 66 patients with Cushing’s disease treated with bilateral adrenalectomy, out of whom 15 developed Nelson’s syndrome, gave evidence that Nelson’s syndrome mostly affects children and young patients compared to older persons. Bilateral adrenalectomy performed in patients aged over 40 years was never accompanied by Nelson’s syndrome. Basal plasma ACTH values prior to adrenalectomy (30.9 +/- 4.53 pmol/l in the absence of Nelson’s syndrome and 31.3 +/- 5.41 pmol/l in patients with Nelson’s syndrome) as well as the degree of their suppressibility with 8 mg dexamethane (to 18.8 +/- 3.43 pmol/l in Nelson’s syndrome and 19.0 +/- 3.44 pmol/l in patients without it) did not provide sufficient evidence for the prediction of later development of Nelson’s syndrome. The same is true of the plasma cortisol concentrations. A tendency to a significant plasma ACTH increase after adrenalectomy within a 6-month period, and especially its
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