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  • Title: Rathke's cleft cyst as a cause of growth hormone deficiency and micropenis.
    Author: Setian N, Aguiar CH, Galvão JA, Crivellaro CE, Dichtchekenian V, Damiani D.
    Journal: Childs Nerv Syst; 1999 May; 15(5):271-3. PubMed ID: 10392501.
    Abstract:
    Rathke's cleft cyst has rarely been reported in pediatric patients, and such cysts are usually found by chance, in 2-33% of routine necropsies, as they have not interfered with pituitary function. In general, they are intrasellar with a single layer of ciliated cuboidal or columnar epithelium containing mucoid material. The age range in which symptomatic Rathke's cleft cysts occur is between 30 and 60 years. This paper reports an 8.1-year-old boy presenting with growth hormone deficiency and micropenis attributable to hypogonadotropic hypogonadism (HH), implying altered pituitary function since intrauterine life. At this age (before puberty) the diagnosis of HH can be made by means of the LHRH agonist stimulation test, since conventional LHRH is not able to discriminate HH from a normal prepubertal child. To our knowledge, this is the first case of micropenis caused by Rathke's cleft cyst interfering with gonadotropin and growth hormone secretion since intrauterine life.
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