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  • Title: [Anorexia nervosa in male adolescents. II. Psychoneuroendocrinologic findings].
    Author: Toifl K, Waldhauser F, Lischka A, Frisch H.
    Journal: Klin Padiatr; 1988; 200(4):316-20. PubMed ID: 3139910.
    Abstract:
    Female patients with anorexia nervosa (a.n.) are characterized by distinct endocrine features probably due to hypothalamic pituitary dysfunctions. There is only a limited number of case reports available on patients with a.n.; mostly with few data on hormones. In six male patients with a.n. we examined basal and stimulation values of several hormones performing three pituitary function tests. Basal and stimulated values of luteinizing hormone (LH) and of follicle stimulating hormone (FSH) after LHRH were low comparable to results in prepuberal boys. Similarly, testosterone levels in serum were also markedly reduced. By exploring the pituitary-thyroidal axis total T4 was diminished in one patient and at the lower limit in two patients; concentration of free T4 was in the normal range, while five of six subjects had reduced total T3 concentration and two of six patients showed increased reversed T3 levels; TBG concentration was always in the normal range. Basal TSH was normal, while in two patients the TSH stimulation levels after TRH were diminished; in all patients the TSH stimulation levels were found to be delayed. The basal levels of growth hormone were normal, but the growth hormone response after insulin was diminished in four patients. In all six patients basal prolactin (PRL) and PRL concentration after TRH stimulation was in the normal range. The neuroendocrine results in the six patients with a.n. confirm in males a similar hypothalamic-pituitary dysfunction as it is already known for female patients.
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