• Department of Orthopaedics, General Hospital of Chinese PLA, Beijing, 100853, P.R.China;
BI Wenzhi, Email: biwenzhi@sina.com
Export PDF Favorites Scan Get Citation

ObjectiveTo analyze the effectiveness of unicompartment allografts replacement for reconstructing bone defect after bone tumor resection around knee.MethodsBetween January 2007 and January 2014, a total of 9 patients received unicompartment allografts replacement to treat bone tumor around the knee, including 6 males and 3 females, with an average age of 25.8 years (range, 17-38 years). There were 7 patients with bone giant cell tumor (postoperative recurrence of bone giant cell tumor in 1 case) and 2 patients with chondromyxoid fibroma. The tumors were located at the distal femur in 7 cases and proximal tibia in 2 cases, and the tumors were almost at the lateral limbs. The symptom duration was 2-5 months (mean, 3.2 months). The size of lesion ranged from 6 cm×2 cm to 9 cm×4 cm by X-ray film and MRI; and the metastasis was excluded by CT. The length of the allograft was 8.0-9.2 cm (mean, 8.6 cm).ResultsThe intraoperative blood loss volume was 400-550 mL (mean, 480 mL); and 0-3 U of erythrocyte was transfused after operation. The continuous exudate of incision occurred in 1 patient, and cured after 3 months; the other incisions healed primarily at 2 weeks after operation. All patients were followed up 3-10 years (mean, 6 years). No operation area infection, allograft bone poor healing or rupture was found. At 1 year after operation, the knee range of motion was 90-110° (mean, 100°); the Musculoskeletal Tumor Society score was 24-29 (mean, 26). Low density area (osteolysis) was found in 6 allografts; no articular surface collapse, hairline fracture, or fracture was found in patients; callus formation was observed in the contact surface between the allograft and the host bone, and the cortical bone showed good continuity.ConclusionUnicompartment allografts replacement can provide good support and function in terms of bone tumor resection, and achieve good effectiveness by biological reconstruction.

Citation: HUANG Junqi, BI Wenzhi, HAN Gang, JIA Jinpeng, XU Meng, WANG Wei. Effectiveness of unicompartment allografts replacement for bone tumor around the knee. Chinese Journal of Reparative and Reconstructive Surgery, 2017, 31(8): 908-912. doi: 10.7507/1002-1892.201704044 Copy

  • Previous Article

    Contact characteristics research of acetabular weight-bearing area with different internal fixation methods after compression fracture of acetabular dome
  • Next Article

    Effectiveness of total knee arthroplasty using three-dimensional printing technology for knee osteoarthritis accompanied with extra-articular deformity