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  • Cytochemistry  (2)
  • Dark cell  (2)
  • Haematuria  (2)
  • 1
    Digitale Medien
    Digitale Medien
    Springer
    European journal of pediatrics 153 (1994), S. 429-431 
    ISSN: 1432-1076
    Schlagwort(e): Key words     Liver ; Focal fatty change ; Haematuria ; Child
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract      We describe a 12-year-old patient with focal fatty liver change (FFLC). The lesion was incidentally detected by ultrasonography which showed a circumscribed hyperechoic lesion measuring approximately 6 × 4 cm. The lesion was also examined by CT and MRI. Histologi- cally, the lesion corresponded to a focal area of lipid-laden hepatocytes. FFLC has been delineated as a disease entity in adults. As shown by this report, it may also occur in children. There was no associated clinical morbidity and the lesion was incidentally detected by modern imaging techniques. The aetiology and pathogenesis are unknown. The significance of focal fatty lesions is their differentiation from other focal lesions such as hepatic cell carcinomas, metastatic tumours, abscess and benign tumours including lipoma, haemangioma and angio- myolipoma.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    European journal of pediatrics 153 (1994), S. 429-431 
    ISSN: 1432-1076
    Schlagwort(e): Liver ; Focal fatty change ; Haematuria ; Child
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We describe a 12-year-old patient with focal fatty liver change (FFLC). The lesion was incidentally detected by ultrasonography which showed a circumscribed hyperechoic lesion measuring approximately 6×4 cm. The lesion was also examined by CT and MRI. Histologically, the lesion corresponded to a focal area of lipid-laden hepatocytes. FFLC has been delineated as a disease entity in adults. As shown by this report, it may also occur in children. There was no associated clinical morbidity and the lesion was incidentally detected by modern imaging techniques. The aetiology and pathogenesis are unknown. The significance of focal fatty lesions is their differentiation from other focal lesions such as hepatic cell carcinomas, metastatic tumours, abscess and benign tumours including lipoma, haemangiona and angiomyolipoma.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 3
    Digitale Medien
    Digitale Medien
    Springer
    European archives of oto-rhino-laryngology and head & neck 243 (1987), S. 401-402 
    ISSN: 1434-4726
    Schlagwort(e): Na+, K+-ATPase ; Tegmentum vasculosum ; Dark cell
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary We studied the localization of Na+, K+-ATPase activity in the chick cochlea, utilizing a cytochemical method of K+-p-nitrophenylphosphatase (K+-NPPase), and found that the enzyme activity was limited to the dark cells of the tegmentum vasculosum (TV). Our present results indicate that the dark cells of the TV play an essential role in the maintenance of the ionic composition of the cochlear endolymph.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Springer
    European archives of oto-rhino-laryngology and head & neck 243 (1987), S. 395-400 
    ISSN: 1434-4726
    Schlagwort(e): Ca++-ATPase ; Ca++ pump ; Cytochemistry ; Cochlea ; Guinea pig
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Ca++-ATPase activity was examined cytochemically in the lateral cochlear wall of the guinea pig. The reaction products showing Ca++-ATPase activity were found along the folded plasma membrane of the strial marginal cells. In contrast, little or no reaction was seen on the apical surfaces of these cells. There were also marked reaction products on the microvilli and the endolymphatic cell surface of Reissner's membrane, and the apical and lateral plasma membranes of the spiral prominence and the external sulcus cells. These reactions completely disappeared when Ca++ or ATP was removed from the incubation medium. Our results strongly suggest that Ca++-ATPase plays an important role in Ca++ transport system for the regulation of Ca++ concentration in the cochlear endolymph.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    Springer
    European archives of oto-rhino-laryngology and head & neck 243 (1987), S. 417-423 
    ISSN: 1434-4726
    Schlagwort(e): Ca++-ATPase ; Ca++ transport ; Cytochemistry ; Dark cell ; Guinea pig
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary We used ultracytochemistry to examine Ca++-ATPase activity in the vestibular epithelia of the guinea pig. Many reaction products were found along the basolateral plasma membrane of the vestibular dark cell. There were also marked reaction deposits on the apical and lateral cell membranes of the transitional cells, and the utricular and saccular wall cells. Both sensory and supporting cells showed Ca++-ATPase activity along their ciliary membrane and apical-lateral cell surfaces. Our findings indicate that the Ca++-ATPase activity found on the plasma membrane is closely related to Ca++-transport across the plasma membrane. When either Ca++ or ATP was omitted from the incubation medium, enzyme activity (as seen by the staining reaction present) was completely abolished. Our present results suggest that Ca++-ATPase located in the vestibular epithelia plays a significant role in the regulation of the Ca++-concentration in the vestibular endolymph.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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