The authors reported 9 cases of chordomas of the mobile spine: 6 lumbars and 3 cervicals. There are 5 men and 4 women. Mean age at diagnosis is 60 years old. Mean delay between the first clinical manifestations and the diagnosis is 22 months. Clinical findings are not specific. Roentgenologic findings show 2 typicals aspects: a lytic lesion on the lateral side of the vertebrae frequently involving more than one cervical vertebrae, a mixed lesion (lytic and sclerotic) or only sclerotic was detected only at the lumbar spine. Magnetic resonance imaging and computed tomography are the most useful investigations to determine the local extension of the tumor. Certitude of the diagnosis is always microscopic. Evolution is difficult to precise in this kind of embryological tumor. Radical surgery at the earliest time is the best guarantee of a better prognosis which still remain severe.
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