ULTRASTRUCTURE OF SUBCUTANEOUS SACROCOCCYGEAL MYXOPAPILLARY EPENDYMOMA

  • 1 January 1981
    • journal article
    • research article
    • Vol. 105  (10) , 524-526
Abstract
Three [human] cases of myxopapillary ependymoma that occurred as primary tumors in the skin and subcutaneous tissue of the sacrococcygeal region were examined with EM. Some features found in both normal and neoplastic ependymal cells were observed: microvilli, cilia, desmosomal attachments and cytoplasmic filaments. Other features, basement membranes and greatly decreased cilia, are characteristic of myxopapillary ependymomas and normal choroid plexus. In these situations, ependymal cells are apposed to connective tissue. The ependymal nature of this rare tumor is reaffirmed.

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