Chordoma Sociodemographic, Clinical and Therapeutic Aspects in National Institute of Oncology Rabat Morocco: A Report of 9 Cases

Introduction: Chordoma is a rare bone tumor, which develops mainly from the sacrum, the base of skull, or spine. Surgery + radiotherapy (if necessary) the standard treatment. Data on chordoma are scarce in this region, and thus, here we summarized 9 patients with this tumor whom treated institute. Material: Nine chordoma were summarized, who National Institute of Oncology Rabat between 2013 2018. We retrieved data medical charts analyzed clinical characteristics of tumor. Results: The average age was 49 years (range: 29 - 72), with male: female 3:6. The manifestation-diagnosis time 4 months 2 14). Regarding the tumor location, lumbosacral spine; 5, skull; 4. Mass evident 6. Signs of locoregional compressions (paraparesis tetraparesis) observed 3. As for treatment, partial excision performed 8, 3 patients undergoing wide excision. Radiotherapy done; dose 46 Gy, 66 Gy, 1 patient 50 16 Gy gamma radio-knife single session. 46 2 patients 60 Gy gamma single session. Of 9, had good control whereas 5 had local recurrence. Conclusion: predominantly local aggressive low metastatic potential. surgical remains the main prognostic factor. Advances may improve local control. These use management (Morocco).