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  • Title: [Resection and reconstruction for primary pelvic tumors around acetabular].
    Author: Guo W, Yang RL, Tang XD, Tang S, Li DS, Yang Y.
    Journal: Zhonghua Wai Ke Za Zhi; 2004 Dec 07; 42(23):1419-22. PubMed ID: 15733453.
    Abstract:
    OBJECTIVE: To discuss the resection of tumors, reconstruction of defects and the postoperative complications. METHODS: Thirty-one patients with tumors around acetabular were treated surgically in People's Hospital between July 1997 and July 2003. The series comprised 19 males and 12 females. Twelve patients were diagnosed with chondrosarcoma, 1 with Ewing sarcoma, 3 with osteosarcoma, 1 with lymphoma, 1 with carcinosarcoma, 1 with malignant fibrohistiocytoma (MFH), 2 with myeloma, 9 with giant cell tumor (GCT), 1 with aneurysmal bone cyst. Among 31 patients with peri-acetabular tumors, 8 were reconstructed with hemi-pelvic prosthesis, 7 with saddle prosthesis, 6 with cauterized tumor bone and total hip arthroplasty, 10 with total hip replacement after curettage of lesion and cemented. RESULTS: Among 21 patients who underwent tumor resection and reconstruction in region II, 6 had local relapse. Two of 3 patients with osteosarcoma were dead. Five of 12 patients with chondrosarcoma were free of disease. Twenty-one patients with acetabular reconstruction after resection of lesions in region II could sit and stand normally and walked with a cane, several of which even had normal gait. CONCLUSION: Allograft or pelvic prosthesis can be used to reconstruct the acetabulum after resection of tumors. We must pay more attention on the following points in the surgical treatment of periacetabular tumors: (1) Extensively resect tumors as far as possible; (2) Be acquainted with advantages and disadvantages of different reconstructive methods of acetabulum to prevent the complications; (3) The reconstructed acetabulum is unstable, so the patients must stand with a cane to protect the reconstructed hip joint; (4) Prevent wound necrosis and infection; (5) Surgical treatment of pelvic tumors would easily result in poor wound healing especially in the patients receiving chemotherapy or radiotherapy because of extensive soft tissue stripping. The destroyed soft tissue caused by chemotherapy or radiotherapy may increase the great tissue tension after implantation of allograft. And the factors of poor blood supply and hematoma in the wound theoretically increase the chance of infection.
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