Suppression of Plasma Prolactin in a Patient with a Pinealocytoma

Karin Kraft; A. Edelmann; W. Entzian; Lieselotte Nocke-Finck

doi:10.1055/s-2007-1014781

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Horm Metab Res 1984; 16(6): 324-325
DOI: 10.1055/s-2007-1014781

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Suppression of Plasma Prolactin in a Patient with a Pinealocytoma

Karin Kraft, A. Edelmann, W. Entzian¹ , Lieselotte Nocke-Finck

Institut für Klinische Biochemie, Universität Bonn, Bonn, Germany
¹Neurochirurgische Klinik, Universität Bonn, Bonn, Germany

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Publication History

1983

1984

Publication Date:
14 March 2008 (online)

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Summary

Plasma growth hormone (HGH), prolactin (PRL), luteinizing hormone (LH), thyroid stimulating hormone (TSH), cortisol and melatonin were determined during a 24 h period in a pubertal boy with a pinealocytoma. All hormone concentrations were normal with respect to age and time of day, with the exception of PRL which was undetectable. After subtotal removal of the tumor, basal PRL was still undetectable, but could be stimulated moderately by insulin-induced hypoglycaemia or TRH.

Key-Words:

Prolactin - Pineal Tumor - Human - Circadian