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      Call for Papers: Epidemiology and Health Impacts of Neuroendocrine Tumors

      Submit here before August 30, 2024

      About Neuroendocrinology: 3.2 Impact Factor I 8.3 CiteScore I 1.009 Scimago Journal & Country Rank (SJR)

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      Pituitary stalk dysgenesis-induced hypopituitarism in adult patients: prevalence, evolution of hormone dysfunction and genetic analysis.

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          Abstract

          To investigate the prevalence of pituitary stalk dysgenesis (PSD) in adult hypopituitary patients by describing the chronology of hormone deficiencies and their potential correlation with traumatic delivery, mutations in genes required for pituitary development and function and pituitary stalk visibility on MRI.

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          Consensus guidelines for the diagnosis and treatment of adults with GH deficiency II: a statement of the GH Research Society in association with the European Society for Pediatric Endocrinology, Lawson Wilkins Society, European Society of Endocrinology, Japan Endocrine Society, and Endocrine Society of Australia.

          Ken Ho (2007)
          The GH Research Society held a Consensus Workshop in Sydney, Australia, 2007 to incorporate the important advances in the management of GH deficiency (GHD) in adults, which have taken place since the inaugural 1997 Consensus Workshop. Two commissioned review papers, previously published Consensus Statements of the Society and key questions were circulated before the Workshop, which comprised a rigorous structure of review with breakout discussion groups. A writing group transcribed the summary group reports for drafting in a plenary forum on the last day. All participants were sent a polished draft for additional comments and gave signed approval to the final revision. Testing for GHD should be extended from hypothalamic-pituitary disease and cranial irradiation to include traumatic brain injury. Testing may indicate isolated GHD; however, idiopathic isolated GHD occurring de novo in the adult is not a recognized entity. The insulin tolerance test, combined administration of GHRH with arginine or growth hormone-releasing peptide, and glucagon are validated GH stimulation tests in the adult. A low IGF-I is a reliable diagnostic indicator of GHD in the presence of hypopituitarism, but a normal IGF-I does not rule out GHD. GH status should be reevaluated in the transition age for continued treatment to complete somatic development. Interaction of GH with other axes may influence thyroid, glucocorticoid, and sex hormone requirements. Response should be assessed clinically by monitoring biochemistry, body composition, and quality of life. There is no evidence that GH replacement increases the risk of tumor recurrence or de novo malignancy.
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            Pituitary lineage determination by the Prophet of Pit-1 homeodomain factor defective in Ames dwarfism.

            W Beamer, Jeremy Dasen, John Rosenfeld … (1996)
            The gene apparently responsible for a heritable form of murine pituitary-dependent dwarfism (Ames dwarf, df) has been positionally cloned, identifying a novel, tissue-specific, paired-like homeodomain transcription factor, termed Prophet of Pit-1 (Prop-1). The df phenotype results from an apparent failure of initial determination of the Pit-1 lineage required for production of growth hormone, prolactin or thyroid-stimulating hormone, resulting in dysmorphogenesis and failure to activate Pit-1 gene expression. These results imply that a cascade of tissue-specific regulators is responsible for the determination and differentiation of specific cell lineages in pituitary organogenesis.
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              Hypopituitarism.

              Ezio Ghigo, Ilonka Kreitschmann-Andermahr, Gianluca Aimaretti … (2007)
              Incidence and prevalence of hypopituitarism are estimated to be 4.2 per 100,000 per year and 45.5 per 100,000, respectively. Although the clinical symptoms of this disorder are usually unspecific, it can cause life-threatening events and lead to increased mortality. Current research has refined the diagnosis of hypopituitarism. Identification of growth hormone and corticotropin deficiency generally requires a stimulation test, whereas other deficiencies can be detected by basal hormones in combination with clinical judgment. Newly developed formulations of replacement hormones are convenient and physiological. Work has shown that many patients with brain damage--such as traumatic brain injury or aneurysmal subarachnoid haemorrhage--are at high risk of (sometimes unrecognised) hypopituitarism. Thus, a much increased true prevalence of this disorder needs to be assumed. As a result, hypopituitarism is not a rare disease and should be recognised by the general practitioner.
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                Author and article information

                Journal
                Journal ID (iso-abbrev): Neuroendocrinology
                Title: Neuroendocrinology
                Publisher: S. Karger AG
                ISSN (Electronic): 1423-0194
                ISSN (Print): 0028-3835
                Publication date (Electronic): 2011
                Volume: 93
                Issue: 3
                Affiliations
                [1 ] Endocrinology Division, Complejo Hospitalario Universitario de Santiago de Compostela, SERGAS, Departamento de Medicina, Universidad de Santiago de Compostela, Spain.
                Article
                Publisher Item ID: 000324087
                DOI: 10.1159/000324087
                PubMed ID: 21304225
                SO-VID: ffdd79d5-f1dc-479c-b3e4-891a4735984f
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