Myxopapillary ependymoma of the sacrococcygeal region. Report of a case.

A case of subcutaneous myxopapillary ependymoma arising in the sacrococcygeal region of a 42-year-old woman is reported. Less than 60 cases of such tumors have so far been described in locations outside the central nervous system. Sacrococcygeal ependymomas are locally aggressive tumors that require a complete and wide surgical excision to prevent recurrences. They tend to metastasize in about 17% of cases.