[Successful treatment of several metachronous pulmonary metastases of a chondroblastic osteosarcoma].

The case of an 11-year-old girl suffering from chondroblastic osteosarcoma of the left tibia head is reported. Within 19 months following the amputation of the thigh and during intensive chemotherapy a total of 7 pulmonary metastases were diagnosed and resected in 3 sessions. The patient has been free of any metastases for 5 years.