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Table 2 Comparison of clinical and functional outcomes of various treatment studies

From: Treatment of pelvic giant cell tumor by wide resection with patient-specific bone-cutting guide and reconstruction with 3D-printed personalized implant

Study

Number of patients, n

Location, n

Methods of reconstruction, n

Follow-up, (months)

Local recurrence

Complications, n

Function, (MSTS score)

Current study

7

P I, (3); P II, (4)

3D-printed personalized implant

35.3

No

Delayed wound healing, (1)

24

Guo et al. [13]

14

P II, (14)

Recycled tumor bone, (3); Modular pelvic prosthesis, (11)

45

No

Delayed infection, (1)

Bone nonunion, (1)

Dislocation, (1)

Wound healing disturbance, (4)

22

Zheng et al. [26]

21

P I, (8); P II, (7);

P III, (6)

Without reconstruction, (13);

Rod fixation and total hip arthroplasty; (5)

Pelvic ring reconstruction; (3)

42

2/21

Delayed infection, (1)

Dislocation, (1)

Wound healing problem, (4)

22

Xiao et al. [14]

7

P II, (7)

Autogenous femoral head bone grafts, (7)

38.1

1/7

No

29

Verma et al. [7]

1

P I, (1)

3D-printed personalized implant

NA

NA

NA

NA

Khal et al. [24]

1

P II, (1)

3D-printed personalized implant

24

No

No

28

  1. P I: lesion only involving pelvic I area; P II: lesion involving pelvic II area (including I + II, I + II + III, II + III); P III: lesion only involving pelvic III area; NA not available