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Table 1 Patients’ demographic data and outcomes

From: Revision surgeries for tumor endoprostheses around the knee joint: a mid-long-term follow-up of 20 cases

Case Gender Age Pathological diagnosis Tumor location Time to revision (m) Follow-up time (m) Revision reason Complications MSTS-93 score(1year)
1 M 19 Osteosarcoma DF 45 52 Prosthesis breakage None 26
2 M 66 Osteosarcoma DF 126 48 Prosthesis breakage None 27
3 M 16 Osteosarcoma DF 32 60 Prosthesis bending Wound complications 23
4 M 57 Osteosarcoma DF 178 72 Proximal prosthesis break out None 23
5 M 42 Osteosarcoma DF 152 45 Screw breakage, LLD, pain None 24
6 F 62 Chondrosarcoma DF 162 72 Periprosthetic fracture None 23
7 F 28 MBGCT DF 96 70 MRSA infection Infection without control, amputation excluded
8 F 26 Osteosarcoma DF 121 77 Prosthesis breakage Infection, spacer-second revision 15
9 F 59 MBGCT DF 123 155 Prosthesis wear and loosen Prosthesis loosen, second revision 18
10 M 23 MBGCT PT 132 77 Prosthesis loosen Infection 16
11 F 45 Osteosarcoma PT 106 55 Prosthesis loosen None 26
12 M 22 Osteosarcoma DF 61 66 Prosthesis loosen Wound complications 18
13 M 23 Osteosarcoma DF 66 65 Prosthesis breakage None 23
14 F 44 MBGCT DF 76 48 Prosthesis breakage None 21
15 F 18 Chondrosarcoma DF 145 27 Infection None 18
16 M 16 Osteosarcoma DF 38 36 Tumor recurrence Pulmonary metastasis, die 16
17 F 23 MBGCT PT 93 44 Infection None 16
18 M 18 Ewing sarcoma DF 84 47 Prosthesis breakage None 21
19 M 20 Ewing sarcoma DF 155 85 Prosthesis loosen None 20
20 F 55 Chondrosarcoma DF 35 93 Prosthesis breakage None 24
  1. LLD leg length discrepancy, MBGCT malignant bone giant cell tumor, DF distal femur, PT proximal tibia, MRSA methicillin-resistant Staphylococcus aureus