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Table 1 Demographics of the 15 patients

From: Iliosacral Bone Tumor Resection Using Cannulated Screw-Guided Gigli Saw - A Novel Technique

No

Age/Sex

Primary

/Recurrent

Diagnosis*

Location-

centric

AJCC

Staging

Tumor

Extent¶

Resection

Typeâ™®

Reconstruction**

Estimated

Blood Loss (mL)

Operation

Time (hours)

Margin

Local Recurrence

pattern/ time (m)

Time to metastasis

(m)

FU

Status

1

25/F

Primary

OS

Pelvis

T2bN0M0#

Sa-PI

Ps IIa

SRS+mesh

2100

6.5

Wide Contaminated/R0

Extensive/10

10

16

DOD

2

32/M

Primary

ES

Sacrum

T2bNxM0

Sm-PI

Ps II/IIIa

SRS+mesh

2800

5

Wide/R0

Localized/17

-

39

NED

3

46/M

Recurrent

CS

Pelvis

T4N0M1a

Sm-PI+II

Ps II

SRS+Autograft

6000

7.5

Wide/R1

-

at Dx

19

DOD

4

47/F

Recurrent

CS

Pelvis

T4N0M0

Scsf-PI

Ps III

SRS+Autograft

5300

7.5

Wide/R0

-

-

36

NED

5

59/M

Primary

OS

Pelvis

T4N0M1b

Ssf-PI+II

Ps IIb

SRS+pelvic prosthesis

6800

12

Marginal/R1

-

3

6

DOD

6

15/F

Recurrent

CS

Pelvis

T4N0M1a

Ssf-PI+II

Ps II

SRS

2500

6

Wide/R0

-

at Dx

11

DOD

7

23/M

Recurrent

OS

Pelvis

T4N0M1a

Ssf-PI+II+III

Ps II

SRS

4000

6

Wide/R0

-

at Dx

33

AWD

8

50/M

Primary

OS

Pelvis

T4N0M1a

Ssf-PI+II+III

Ps IIb

Custom-made pelvic prosthesis

3800

10

Wide/R0

-

-

31

NED

9

28/F

Primary

OS

SIJ§

T4N0M0

Ssf-PI

Ps IIa

SRS+Allograft

2500

6

Wide/R0

-

-

27

NED

10

32/F

Primary

CS

Pelvis

T4N0M0#

Ssf-PI+II

Ps IIb

Custom-made pelvic prosthesis

5100

11

Wide Contaminated/R1

Localized/9

-

27

AWD

11

29/F

Primary

OS

Pelvis

T4N0M0

Ssf-PI+II

Ps IIb

Custom-made pelvic prosthesis

3500

8

Wide/R0

-

-

21

NED

12

30/F

Recurrent

CS

Sacrum

T3N0M0

Sm-PI

Ps IIa

SRS

1200

5.5

Marginal/R0

-

-

21

NED

13

55/F

Primary

DS

Pelvis

T4N0M0

Sm-PI

Ps IIa

SRS+mesh

2600

7

Wide/R0

-

-

19

NED

14

24/M

Primary

OS

SIJ§

T4N0M0

Sm-PI

Ps IIa

SRS+mesh

3900

6.5

Wide/R0

-

-

19

NED

15

24/M

Primary

ES

Pelvis

T4N0M0

Ssf-PI+II

Ps IIb

SRS+pelvic prosthesis

2500

6.5

Wide/R0

-

-

18

NED

  1. * OS, osteosarcoma; ES, Ewing’s sarcoma; CS, Chondrosarcoma; DS, dedifferentiated sarcoma
  2. # Tumor thrombus was found in iliac veins although staged as N0
  3. §The tumor was staged according to both spine and pelvis TNM classification with higher one being recorded.
  4. ¶ Sa, sacral ala; Sm, middle line of sacrum, Ssf, ipislateral ventral sacral foramina, Scsf, contralateral ventral sacral foramina
  5. â™®According to Peking University Classification [reference no.]
  6. **SRS, screw-rod system