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  • 1
    Digitale Medien
    Digitale Medien
    Springer
    European journal of pediatrics 152 (1993), S. 12-14 
    ISSN: 1432-1076
    Schlagwort(e): Precocious puberty ; Ovarian neoplasm
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract A 4-year-old girl with a lipid cell tumour of the ovary showed isosexual precocious pseudopuberty. The endocrine activity of the tumour led to elevated plasma levels of dehydroepiandrosterone sulphate, oestradiol, testosterone and androstenedione. After tumour resection the clinical signs of abnormal hormonal stimulation disappeared within 10 months. The girl developed precocious puberty again 2 years later without any sign of relapse. Therapy with luteinizing hormone releasing hormone agonist was effective although premature activation of the hypothalamic-pituitary-gonadal axis could not clearly be demonstrated by hormonal investigations.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    ISSN: 1432-1076
    Schlagwort(e): Cancer ; Leukaemia ; Hepatitis ; Hepatitis-C virus
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract A total of 203 paediatric cancer treatment survivors were tested for serum antibodies against hepatitis-C virus (anti-HCV). Anti-HCV was detected in 41 patients (20.2%) with first generation anti-HCV ELISA. Positive results were confirmed in all samples retested with a second generation ELISA (n=35) and in all but two cases re-analysed by immunoblotting (n=23). Anti-HCV positive children had received significantly more blood product transfusions compared to seronegative patients. In 75 children (32%) chronic liver disease was found. It was defined as an elevation of serum alanine aminotransferase values to a least 2.5 times the upper limit of normal persisting for 6 months or longer. Hepatitis A was never detected, and in 58 children the chronic hepatopathy was unexplained by hepatitits B (non-A non-B chronic liver disease). Of these patients 29 (50%) were seropositive for anti-HCV. Surprisingly, non-A/non-B chronic liver disease was associated with anti-HCV in 14 of 19 solid tumour patients (78.9%), but in no more than 14 of 39 leukaemia and lymphoma patients (35.9%). This phenomenon was not explained by different rates of cytomegalovirus disease and drug toxicity related hepatopathies between the two groups. It may be related to differences of leukaemia/lymphoma compared to solid tumour therapy schedules (differential immuno-suppression and liver toxicity).
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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