Two Cases Report of Plural Myxopapillary Ependymomas Found Separately in the Lumbar Spine and Sacrum.
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Plural myxopapillary ependymomas of the filum terminale are rare and only a few cases were reported previously. This report illustrates two myxopapillary ependymomas of the filum terminale in two cases, a 15-year-old girl and a 5-year-old boy. In both cases, MRI demonstrated intradural tumors in the upper lumbar spine and the sacrum. At surgery, the encapsulated tumors were connected the filum terminale, and invasion to the surrounding tissue was not evident. Piecemeal total removal was achieved and the posterior elements of vertebra was reconstructed. Histological examination reveal that both tumors in each case had similar histological presentation as myxopapillary ependymoma and the filum terminale between the tumors had myxomatous changes. In both cases, clinical course was uneventful. No evidence of recurrence and dissemination was also detected. And no remarkable neurological deficit was observed at follow-up. From the facts that the encapsulated appearance and myxomatous changes in filum terminale, it is suggested that each tumor may arise from different original site.
- 中国・四国整形外科学会の論文
中国・四国整形外科学会 | 論文
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