Endocrine Abstracts

Introduction: Nelson’s syndrome (NS) is an exceptionally rare condition diagnosed sometimes after bilateral suprarenalectomy for Cushing’s disease (CS) involving rapid enlargement of a pre-existing ACTH-secreting pituitary tumor. The clinical picture varies from hyperpigmentation, headache and visual disturbance to diabetes insipidus and hypopituitarism if the hypothalamic-pituitary portal system is disrupted or normal pituitary tissue is destroyed by the adenoma. Th...