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  • Title: Alcoholic neuropathy. An electron-microscopic study.
    Author: Tredici G, Minazzi M.
    Journal: J Neurol Sci; 1975 Jul; 25(3):333-46. PubMed ID: 169325.
    Abstract:
    The sural nerves of 6 patients with different signs of alcoholic neuropathy were studied qualitatively and quantitatively by electron microscopy. Myelinated and unmyelinated fibres showed degenerative changes of the Wallerian type. Concomitant involvement of the myelin appears to be secondary to axonal lesions. Regenerative processes, although frequently observed, did not balance the destruction of fibres in the degenerative phase. Quantitative studies indicated a reduced number of myelinated fibres and decreased percentage of the area covered in cross-section by myelinated and unmyelinated axons. The histograms of myelinated fibres showed a shift to the left of the peak of large and small fibres and an increased number of small-sized fibres. Similarly the histograms of unmyelinated fibres showed a shift to the left and a bimodal distribution with an increased number of small-sized fibres. Imbalance in degenerative and regenerative processes seems to be the basis of the chronic partial denervation observed in the nerves of alcoholic patients in this study.
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