Internal hemipelvectomy with intraoperative and external beam radiotherapy in the limb-sparing treatment of a pelvic girdle chondrosarcoma.

The case of a patient with an extensive pelvic girdle chondrosarcoma treated with internal hemipelvectomy and intraoperative radiotherapy, followed by adjuvant high-dose external beam radiotherapy, with a successful attempt in achieving long-term local tumor control and limb-sparing treatment is described.