Clinical Study
Biological Reconstruction Following the Resection of Malignant Bone Tumors of the Pelvis
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| | Patients | 27 | | Female 12, male 15 | | | Age | 44.6 | | (10,3–77,2) | | Diagnosis | | | Ewing's sarcoma | 9 | | Chondrosarcoma | 8 | | Osteosarcoma | 4 | | Synovial sarcoma | 1 | | Malignant fibrous histiocytoma | 1 | | Metastasis-renal cell carcinoma | 2 | | Metastasis-invasive ductal carcinoma of the breast | 1 | | Metastasis-thyroid cancer | 1 | | Tumor stage (Enneking) | | | Ib | 1 | | IIa | 2 | | IIb | 20 | | IV (metastasis) | 4 | | Grading (for primary tumors) | | | G1 | 1 | | G2 | 5 | | G3 | 17 | | Neoadjuvant therapy | | | Polychemotherapy | 15 | | Radiotherapy + polychemotherapy | 1 | | Adjuvant therapy | | | Polychemotherapy | 8 | | Radiotherapy | 3 | | Radiotherapy + polychemotherapy | 4 | | Resection type (according to Enneking) | | | P1 | 6 | | P1-2 | 3 | | P1-3 | 5 | | P2-3 | 11 | | P2-4 | 1 | | P1+4 | 1 | | Regression after neoadjuvant treatment available for 4 osteosarcoma and 7 Ewing's sarcomas according to Salzer-Kuntschik | | | Grade 1 | 2 | | Grade 3 | 3 | | Grade 4 | 4 | | Grade 5 | 2 | | Surgical margins | | | Wide | 20 | | Marginal | 4 | | Intralesional | 3 | | Oncological outcome | | | No evidence of disease (NED) | 15 | | Alive with disease (AWD) | 5 | | Died of disease (DOD) | 7 |
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