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  • 1
    Digitale Medien
    Digitale Medien
    Neurocytoma/rhabdomyoma (myoneurocytoma) of the cerebellum (1998)
    Springer
    Acta neuropathologica 95 (1998), S. 318-323 
    Details
    ISSN: 1432-0533
    Schlagwort(e): Key words Cerebellar myoneurocytoma ; Neurofilament ; Synaptophysin ; Desmin
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract An unusual case of cerebellar neurocytoma with rhabdomyomatous differentiation in a 6-year-old boy is reported. Immunocytochemical and ultrastructural features of the tumour were studied. Abortive synapse formation, the presence of clear vesicles and synaptophysin immunoreactivity of the tumour cells indicated its intermediate neuronal differentiation, while the presence of myoblasts and myotubes and immunolabelling by desmin confirmed the rhabdomyomatous differentiation. In addition, the mesenchymal cells variably expressed neurofilament protein and glial fibrillary acidic protein, suggesting inductive interaction between the neuroectodermal and ectomesenchymal elements and persistence of the pleuripotential nature of the cells along the rhombic area of the brain stem.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s004010050805
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Benign triton tumor of the trigeminal nerve (1999)
    Springer
    Child's nervous system 15 (1999), S. 140-144 
    Details
    ISSN: 1433-0350
    Schlagwort(e): Key words Benign triton tumor ; Neuromuscular hamartoma ; Rhabdomyoma ; Cranial nerve ; Trigeminal nerve
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Benign triton tumor (neuromuscular hamartoma) is a rare tumor of the peripheral nerves, comprising mature neural and striated muscle elements. We report the third case, according to the literature, of a benign triton tumor affecting the Vth cranial nerve in a 4-year-old male child. The tumor was seen to involve the mandibular division of the trigeminal nerve in the infratemporal fossa and extend intracranially by eroding the base of middle cranial fossa. The mass was totally excised. In the tumor, bundles of axons intermingling with fascicles of relatively mature skeletal muscle were found. This type of hamartomatous lesions of neuroectodermal-mesenchymal origin could have arisen as the result of incorporation of mesenchymal tissue into nerve sheaths during embryogenesis or aberrant differentiation of neuroectodermal component into mesenchymal elements.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s003810050353
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Neuroanatomy ofCysticercus cellulosae (Cestoda) as revealed by acetylcholinesterase and nonspecific esterase histochemistry (1992)
    Springer
    Parasitology research 78 (1992), S. 581-586 
    Details
    ISSN: 1432-1955
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract The nervous system ofCysticercus cellulosae, the metacestode stage of the tapewormTaenia solium, was delineated using histochemical methods for the localization of the enzyme markers; nonspecific esterase and acetylcholinesterase. The main features of the nervous system include a pair of cerebral ganglia, a circumcerebral nerve ring, a rostellar nerve ring, and anterior and posterior nerves and their branches. The posterior nerves form a subtegumental network in the strobila and the bladder wall. A nerve network around excretory tubules could also be demonstrated, suggesting neuronal control of excretion in the metacestode. No sheath was observed around the nervous system. The morphological features described suggest “cephalization” of the nervous system in this parasite.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00936456
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