Chordomas are tumors with a bad prognosis, because of their location, local aggressiveness and high rate of local relapse.
Despite of be benign tumors, they have certain capacity of metastasize and a clinical evolution that results interesting.
When we analyzed our series with 35 chordomas studied and treated between 1975 and 2002, we found three patients that experienced
a systemic dissemination.
Keywords Chordoma - Metastases - Radiotherapy