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  • 1
    Electronic Resource
    Electronic Resource
    Radiologic and histopathologic findings in a rare case of complex occult spinal dysraphism with association of a lumbar fibrolipoma, neurenteric cyst and tethered cord syndrome (1998)
    Springer
    European radiology 8 (1998), S. 624-627 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Spinal dysraphism ; Neurenteric cyst ; Lipoma ; Tethered conus ; MR imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. We present the case of a 60-year-old farmer who reported non-specific back pains for the past 30 years. Increasing paralysis of the left leg led to hospitalization. A complex occult spinal dysraphism comprising a fibrolipoma of the conus medullaris, an neurenteric cyst, and a tethered cord syndrome was diagnosed and operated on. The radiological and histological findings are demonstrated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050448
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Functional anatomy of the human efferent tear ducts: a new theory of tear outflow mechanism (1998)
    Springer
    Graefe's archive for clinical and experimental ophthalmology 236 (1998), S. 674-678 
    Details
    ISSN: 1435-702X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  · Background: The mechanism of lacrimal drainage under physiological conditions is controversial. The aim of this study was to analyze the three-dimensional architecture of human efferent tear ducts from functional and clinical points of view. A new theory of tear outflow is discussed. · Methods: Thirty-two prepared lacrimal systems of adults were examined by histological, immunohistochemical and scanning electron microscopic techniques. · Results: The wall of the lacrimal sac is made up of collagen bundles, elastic and reticular fibers arranged in a helical pattern. Wide luminal vascular plexus are embedded in this helical system and connected to the cavernous tissue of the inferior turbinate in the region of Hasner’s valve. Immunohistochemical analysis showed evidence of type I and type III collagen as well as chondroitin 4- and 6-sulfate. · Conclusion: With blinking, the lacrimal part of the orbicularis muscle contracts. The fornix of the sac moves in a cranial-lateral direction. Thus the lacrimal sac distends and may be ’’wrung out’’ due to its medial attachment and helically arranged fibrillar structures. The vascular plexus may play an important role in the absorption and drainage of lacrimal fluid.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004170050140
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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