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  • Title: A case of partial hypopituitarism with empty sella following normal course of pregnancy and delivery.
    Author: Okada K, Ishikawa S, Saito T, Kumakura S, Sakamoto Y, Kuzuya T.
    Journal: Endocrinol Jpn; 1986 Feb; 33(1):117-23. PubMed ID: 3013600.
    Abstract:
    A 28 year-old woman was admitted to Jichi Medical School Hospital because of amenorrhea, cold intolerance, easy fatigability and body weight loss. She was pregnant at the age of 26 years. She delivered a 3230 g healthy girl at full term without any complications. However, she did not have any lactation or recurrence of menstruation after the delivery. Serum cortisol was 0.7 micrograms/dl, and plasma adrenocorticotropic hormone (ACTH) was less than 10 pg/ml. Both hormones failed to increase in response to insulin-induced hypoglycemia or exogenous arginine vasopressin. However, serum cortisol and urinary excretion of 17-hydroxycorticosteroids (17-OHCS) were significantly increased by the repeated administration of ACTH. Serum prolactin was 2.2 ng/ml and the level did not rise after the administration of thyrotropin releasing hormone (TRH). Responses of release of adenohypophysial hormones including gonadotropins, growth hormone and thyroid stimulating hormone (TSH) were normal. Serological studies showed an antibody to the pituitary gland which was demonstrated by an indirect immunofluorescence technique. Plain skull X-ray film and brain computerized tomography revealed an empty sella of the normal size. These results indicate the presence of partial deficiency of ACTH and prolactin, and that autoimmune disorders may be involved in the pathogenesis of her hypopituitarism.
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