Endocrine Abstracts

Pituitary apoplexy in patients with Nelson’s syndrome has rarely been described. We report the case of a 33-year-old woman with a history of bilateral adrenalectomy for Cushing’s disease three years previously. Following adrenalectomy, despite adequate replacement therapy with prednisone and fludrocortisone, she became hyperpigmented, morning serum ACTH level rose from 185 to over 1250 pg/ml (normal range 10–60) and the pituitary tumour increased from 0.8/0.3 to...