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Table 1 Dempgrapic data and outcomes

From: Growth of epiphysis after epiphyseal-preservation surgery for childhood osteosarcoma around the knee joint

Patient No. /Sex /Age, y Site Enneking stage Type of tumor excision Freezing method Graft length, cm Bone graft Union time, mo Epiphysis growth, % EWD LLD, mm Δ aLDFA /MPTA Epiphyseal plate at laltest examination MSTS score Complications /Treatment (mos) Follow-up, mo Oncological Outcome
Affected side Cotralateral side
1/F/8 DF IIB Trans-metaphyseal Pedicule 25 VFG NA 12 13 3 43 4 close 18 Fracture/ORIF (9) 90 CDF
2/F/13 DF III Trans-metaphyseal Pedicule 29 no NA 3 4 1 18 −2 close 30 Fracture/ ORIF (21) 76 CDF
3/M/11 DF IIB Trans-epiphyseal Free 14 no 35 18 18 −2 38 1 open 30 LLD/ Lenghning (54) 68 CDF
4/M/10 DF IIB Trans-physeal Free 10 no 7 28 29 0 48 −1 open 30 LLD/ Lenghning (53) 64 CDF
5/F/6 DF IIB Trans-metaphyseal Free 17 no 4 22 21 0 42 −1 open 30   48 CDF
6/F/14 DF IIB Trans-physeal Free 8 cancellous allograft 6 7 7 0 1 2 close 27   51 CDF
7/F/9 DF IIB Trans-epiphyseal Free 14 no 3 8 8 1 34 3 open 27 Fracture/ ORIF (35) 48 CDF
8/M/13 DF IIB Trans-physeal Free 14 no 10 4 4 0 24 0 close 27 LR/endoprosthesis replacement (20) 42 NED
9/F/11 PT IIB Trans-physeal Free 8 cancellous allograft 4 13 15 1 17 4 close 30 Infection/ irrigation (44), Fracture/ Cast (68) 90 CDF
10/F/12 PT IIB Trans-epiphyseal Pedicule 11 no 7 9 8 0 6 −1 close 30   90 CDF
11/F/11 PT IIB Trans-epiphyseal Pedicule 8 no 6 6 6 −2 33 −1 open 30   51 CDF
12/F/10 PT IIB Trans-epiphyseal Pedicule 12 no 5 22 20 0 9 0 open 30   41 CDF
  1. Abbreviations: DF distal femur, PT proximal tibia, VFG vascularized fibular graft, NA not applicable, EWD Epiphysys width discrepancy, aLDFA anatomical lateral distal femoral angle, MPTA medial proximal Tibial angle, MSTS musculoskeletal tumor society, ORIF open reduction and internal fixation, LLD limb length discrepancy, LR local recurrence, CDF Continous disease free, NED no evidence of disease