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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