Site of origin Gender Age Histology Initial stage Metastatic site Treatment Evolution Maxillary sinus M 23 Rhabdomyosarcoma Grade III Metastatic Lung  Chemotherapy: ifosfamide, doxorubicin Disease progression, 2nd line by docetaxel Infra-temporal Fossa M 17 Rhabdomyosarcoma Grade II Metastatic Lung, bone - Pulmonary embolism leading to death Nasal cavity M 20 Rhabdomyosarcoma Grade III Metastatic Lung  Chemotherapy: ifosfamide, doxorubicin Disease progression and death Neck F 34 Léiomyosarcoma Grade II Metastatic Lung, lymph nodes Chemotherapy: doxorubicin Disease progression Conjonctiva M 29 Léiomyosarcoma Grade I Localized - Resection R0 + Chemotherapy: ifosfamide, doxorubicin No recurrence after 4 years Mandible M 30 Osteosarcoma Grade III Locally advanced - Resection R2 + Chemotherapy: cisplatine, doxorubicin Disease progression , 2nd line by cisplatine+etoposide Larynx F 44 Chondrosarcoma Grade II Localized - Surgery: total laryngectomy R1 + radiation therapy Local and distance recurrence after 4 months  + Pulmonary embolism leading to death Oropharynx F 28 Fibrosarcoma Grade III Metastatic Lung, bone Chemotherapy: ifosfamide, doxorubicin Disease progression, base supportive care Neck F 38 Fibromyosarcoma Grade I Metastatic Lung, lymph nodes Chemotherapy: doxorubicin Progression , 2nd line by ifosfamide Thyroid F 65 carcinosarcoma Localized - Total throidectomyR0 No recurrence after 2 years R0: resection with microscopic clear margins R1: resection with microscopic involved margins R2: resection with macroscopic involved margins

Table 1: Patients distribution according to: age, site of origin, metastatic site, histological subtype, treatment and evolution.