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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Cell & tissue research 290 (1997), S. 31-37 
    ISSN: 1432-0878
    Keywords: Key words: Sural nerve ; Blood vessels ; Angiopathic neuropathy ; Vasculitis ; Peripheral neuropathy ; Human
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. The number and dimensions of epineurial blood vessels in normal human sural nerves have, thus far, not been determined using systematic, reproducible morphometric methods, although this nerve is most frequently used for diagnostic biopsies. Quantitative changes in epineurial blood vessels appear to be major parameters for identifying angiopathy and angiopathic peripheral neuropathy. Therefore, we examined the epineurial blood-vessel number in relation to the age of the patients and to the number and size of the nerve fascicles in each of 51 human sural nerve biopsies. The data from a control group were compared with pathological cases. We found that the number of epineurial blood vessels (normal mean: 57.7) increased significantly (up to 196) in biopsies where there were signs of angiopathy (P≤0.01) or vasculitis (P≤0.05). The increase in the number of epineurial blood vessels usually resulted from a proliferation of capillaries. The fascicular cross-sectional area did not appear to be related to the number of epineurial blood vessels, although it increased significantly in cases with vasculitis (P≤0.05) or an axonal type of neuropathy (P≤0.05). Thus, this study shows that the number of epineurial blood vessels is a helpful parameter in verifying angiopathy and angiopathic peripheral neuropathy.
    Type of Medium: Electronic Resource
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