A case is described in which a metastatic ependymoma of the cauda equina recurred after prolonged remission. Similarities to five previously reported cases are discussed, with emphasis on the mode of metastasis. Factors most closely associated with distant metastases include early onset, numerous local operations, long survival, and massive local recurrence at the time of distant metastases.
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Mavroudis et al. (1977) studied this question.
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