Patients Sex Age Location Cause VAS before treatment VAS  one month after treatment Case 1 Female 83 years Tibial plateau Degenerative 8/10 2/10 Case 2 Male 66 years Femoral head Aseptic osteonecrosis 4/10 4/10 Case 3 Female 75 years Tibial plateau Degenerative 9/10 6/10 Case 4 Male 80 years Femoral condyle Degenerative 7/10 3/10 Case 5 Male 64 years Femoral head Aseptic osteonecrosis 7/10 1/10 Case 6 Female 70 years Calcaneus Degenerative 10/10 2/10 Case 7 Female 70 years Femoral condyle Degenerative 9/10 0/10 Case 8 Male 45 years Talus Degenerative 7/10 1/10 Case 9 Female 61 years Tibial plateau Aseptic osteonecrosis 10/10 7/10 Case 10 Female 74 years Femoral head Aseptic osteonecrosis 10/10 2/10 Case 11 Male 34 years Talus Degenerative 8/10 6/10 Case 12 Female 91 years Femoral head Aseptic osteonecrosis 10/10 0/10 Case 13 Female 61 years Tibial plateau Aseptic osteonecrosis 7/10 1/10

Table 1: Percutaneous injection of bone cement in the treatment of symptomatic subchondral cysts: population, location, cause and follow-up

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