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  • Title: Demyelinating peripheral neuropathy in Cockayne syndrome: a histopathologic and morphometric study.
    Author: Sasaki K, Tachi N, Shinoda M, Satoh N, Minami R, Ohnishi A.
    Journal: Brain Dev; 1992 Mar; 14(2):114-7. PubMed ID: 1320347.
    Abstract:
    The clinical and histopathological features of Cockayne syndrome in a 2-year-old girl are reported. Sural nerve biopsy revealed segmental demyelination and remyelination. The density of myelinated fibers, especially small ones, was decreased in comparison with an age-matched control. Although the total number of unmyelinated fibers showed no difference from that in the control, the number of small unmyelinated fibers was slightly increased. A study of teased fibers from the patient's nerve revealed that 1% of the fibers had segmental demyelination, and 7% showed remyelination. Ultrastructurally, demyelinated fibers were present sporadically. No degeneration of axons was evident. Our pathological and morphometric data for the sural nerve suggest the presence of primary demyelination in early childhood.
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