Lin Hao

Peking University, Peping, Beijing, China

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Publications (15)12.78 Total impact

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    ABSTRACT: Osteoid osteoma is type of benign bone tumor, characterized by a welldemarcated core with a typical size of Document Type: Research Article DOI: http://dx.doi.org/10.3892/ol.2015.2895 Affiliations: 1: Department of Orthopedic Oncology Surgery, Beijing Jishuitan Hospital, Peking University, Beijing 100035, P.R. China 2: Department of Pathology, Beijing Jishuitan Hospital, Peking University, Beijing 100035, P.R. China Publication date: January 1, 2015 More about this publication? Oncology Letters is a monthly, peer-reviewed journal, available in print and online, that focuses on all aspects of clinical oncology, as well as in vitro and in vivo experimental model systems relevant to the mechanisms of disease. The principal aim of Oncology Letters is to provide the prompt publication of original studies of high quality that pertain to clinical oncology, chemotherapy, oncogenes, carcinogenesis, metastasis, epidemiology and viral oncology in the form of original research, reviews and case reports. Editorial Board Information for Authors Submit a Paper Subscribe to this Title Information for Advertisers Terms & Conditions ingentaconnect is not responsible for the content or availability of external websites $(document).ready(function() { var shortdescription = $(".originaldescription").text().replace(/\\&/g, '&').replace(/\\, '<').replace(/\\>/g, '>').replace(/\\t/g, ' ').replace(/\\n/g, ''); if (shortdescription.length > 350){ shortdescription = "" + shortdescription.substring(0,250) + "... more"; } $(".descriptionitem").prepend(shortdescription); $(".shortdescription a").click(function() { $(".shortdescription").hide(); $(".originaldescription").slideDown(); return false; }); }); Related content In this: publication By this: publisher In this Subject: Biology/Life Sciences , Medicine (General) , Oncology By this author: Deng ; Ding ; Hao ; Yang ; Gong ; Ding ; Niu GA_googleFillSlot("Horizontal_banner_bottom");
    Full-text · Article · Apr 2015 · Oncology letters
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    ABSTRACT: Background: Cavity reconstruction after benign bone tumor removal is varied and controversial. Allograft is widely used but is associated with complications. New bone substitutes, such as calcium sulfate artificial bone, have been introduced for bone tumor operation. However, the bone healing response of artificial bone has not been compared with allograft bone. We therefore compared calcium sulfate grafts (study group) with bone allografts (control group) for the treatment of benign bone tumors. Methods: We retrospectively reviewed 50 patients who underwent calcium sulfate reconstruction and 50 patients who underwent allograft cancellous bone reconstruction. The two groups were well matched. The mean follow-up time of the study group was 19.9 (12-55) months. We investigated bone healing response, complications, and factors affecting bone healing. Results: At the last follow-up, 84% (42/50) of cases in the study group and 62% (31/50) of cases in the control group had achieved clinical healing (P = 0.013). The initial healing rate showed no significant difference between the two groups (100% vs. 96%, P = 0.153). The mean healing times for calcium sulfate and allograft bone were 9.6 (3-42) months and 13.8 (3-36) months, respectively (P < 0.01). Complications in the study group were minor and resolved. Implant volume was a significant factor affecting bone healing. Conclusion: The calcium sulfate bone substitute showed a satisfactory healing outcome and safety profile in reconstruction of bone defects after benign bone tumor curettage, especially in smaller cavities.
    No preview · Article · Sep 2014 · Chinese medical journal
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    ABSTRACT: Objective It is not uncommon that the imaging examinations of invasive bone and soft tissue sarcoma patients during initial treatment or postoperative follow-up detect the pulmonary nodules, and it has an important significance to determine the nature of nodules either for tumor staging and therapeutic regimen selection or for prognosis evaluation.Materials and MethodsA review was carried out for invasive bone and soft tissue sarcoma patients diagnosed and treated in the department of bone oncology of Beijing Jishuitan Hospital from June 2002 to June 2012, the patients who developed pulmonary metastases diagnosed by imaging and underwent surgical treatments in the department of thoracic surgery were analyzed for the consistency between imaging and postoperative pathological diagnoses.ResultsA total of 45 patients with pulmonary metastasis diagnosed by imaging and treated with resection of pulmonary lesions were included in the study, 38 cases with pulmonary metastases (84.4%) and 7 cases without pulmonary metastases (15.6%) were respectively confirmed by postoperative pathological examination, the most common pathological type in the latter patients was tuberculosis, with a total of 4 cases (57.1%).Conclusion There is a certain degree of misdiagnosis rate in the imaging diagnosis of pulmonary metastasis, and much attention should be paid to the pathological diagnosis of pulmonary metastasis in order to avoid overtreatment. The tuberculosis is mostly common in the invasive bone and soft tissue sarcoma patients with pulmonary benign lesions, and it should be distinguished.
    Full-text · Article · Jul 2014 · Thoracic Cancer
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    ABSTRACT: To demonstrate the common characteristics of giant cell tumor of bone in immature skeletons. From 1989 to 2009, the 8 skeletal immature patients were pathologically diagnosed with giant cell tumor (GCT) in our department, which accounted for 1.3% (8/621) of all GCT patients in an extremity. All patients were identified with an open epiphyseal plate by retrospective review of the radiograph, CT or MRI by senior consultants. Oncological and functional outcome were followed for a mean 44.1 months. There were 5 boys and 3 girls. The mean age was 13.8 years. All cases had a primary lesion. The distal femur is the most common site involved (3 cases), followed by the proximal tibia (2 cases). The proximal humerus, the distal tibia and the distal radius accounted for 1 case respectively. Oncological and functional outcome are followed for a mean 44.1 months. All lesions were lytic. Six lesions involved both the epiphysis and metaphysis. Two lesions located in the metaphysis area. Six lesions were treated with extended curettage and were reconstructed with allograft and (or) bone cement. Internal fixations were used in 2 cases. Two cases were treated with segmental resection. And one was reconstructed with cement spacer and the other one with segmental allograft and internal fixation. One patient (1/6) developed a bone recurrence after extended curettage. No extremity deformity and discrepancy were found during the follow up after the curettage. No metastasis was found during the follow up. Histologically GCT occurs in skeletal immature bone has the same pathological appearance but radiologically has its unique features. These lesions share same behavior as that in adults. A low local recurrence rate and good function can be achieved after a proper surgery.
    No preview · Article · Sep 2013 · Zhonghua wai ke za zhi [Chinese journal of surgery]
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    ABSTRACT: Giant cell tumors (GCTs) most commonly occur around the knee. The most beneficial procedure for this disease has been extensive curettage with reconstruction. However, since many GCTs may compromise the subchondral bone, surgery can further jeopardize the articular cartilage and result in secondary osteoarthritis. In this study, we aimed to determine the factors associated with the development of degenerative arthritis and the effect of bone grafting on the prevention of secondary osteoarthritis. We retrospectively analyzed 76 patients with GCT around the knee. The mean age at first diagnosis was 31.1 years. Surgical treatments included extensive curettage and cementation with or without bone grafting in the subchondral bone. Patient follow-up was a median duration of 35 months, ranging from 18 to 113 months. The local recurrence rate was 5.3% (4/76). Secondary degenerative changes occurred in 30.3% (23/76) of the patients. Less than 10 mm of the residual thickness of the remaining subchondral bone was correlated with secondary degenerative changes in 57 patients (P < 0.001). Of these 57 patients, 56.5% (13/23) treated with bone cement reconstruction alone developed secondary degenerative changes; following bone grafting, the rate decreased to 29.4% (10/34), with a statistically significant difference (P = 0.041). GCT patients with less residual thickness of the subchondral bone are more likely to develop degenerative arthritis after curettage. Bone grafting in the subchondral bone area is recommended when the residual thickness of the subchondral bone is less than 10 mm.
    No preview · Article · Aug 2013 · Chinese medical journal
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    ABSTRACT: There are no recent reports of giant cell tumors of bone in a large series of Chinese people. The present study was designed to review the epidemiological characteristics and outcomes of surgical management in a large series of Chinese patients with giant cell tumor of an extremity, treated at a single institution. The records and images of 621 patients in whom a benign giant cell tumor in an extremity was treated between 1989 and 2009 were reviewed retrospectively. There were 359 male and 262 female patients. The mean age at diagnosis was 31.4 years (range, eleven to seventy-one years). Sixty-six percent of the giant cell tumors were localized around the knee. Surgical treatments primarily included curettage, extensive curettage, and resection. The median duration of follow-up was forty-nine months (range, eighteen to 256 months). Giant cell tumor accounted for 13.7% of all primary bone tumors treated at our institution. Multivariate Cox regression analysis indicated that the only variable that contributed to recurrence-free survival was the type of surgical treatment. The local recurrence rate after extensive curettage was 8.6%, which was significantly lower than the 56.1% recurrence rate after curettage alone. Bone-grafting did not affect local tumor control after extensive curettage; the local recurrence rate was 11.1% if bone graft was used. Recurrent giant cell tumor can be treated by further curettage or resection, with acceptable re-recurrence rates of 6.7% and 9.3% respectively. The Musculoskeletal Tumor Society Score for patients treated with extensive curettage was 92.6%, which was significantly higher than that for patients treated with resection. Twenty-one (3.4%) of the 621 patients developed benign pulmonary metastasis, with a favorable outcome, and three patients presented with multifocal giant cell tumors. The incidence of giant cell tumor in the Chinese population may be higher than that in Western countries, and it has a male predilection. The results of the present study suggest that extensive curettage provides favorable local control and satisfactory functional outcomes.
    Full-text · Article · Mar 2012 · The Journal of Bone and Joint Surgery
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    ABSTRACT: Although there have been previous efforts to optimize dose intensity or change the chemotherapy protocol for osteosarcoma, long-term survival has not been markedly improved during the past 15 years. Nude mice bearing established OS-732 human osteosarcoma received varying doses of Adriamycin, paclitaxel and Abraxane to assess tumor growth inhibition. For the dose-response experiments, mice were treated with the following agents at the indicated doses: (A) Adriamycin (2.5 mg/kg, ip), (B) paclitaxel (20 mg/kg, ip), (C-E) Abraxane (10, 20 and 40 mg/kg, ip, respectively) and (F) Saline (20 mg/kg, ip). All agents were administered every 4 days. Mean tumor volume and mice weight measurements were recorded every 3 days. Tumor weights were examined after mice were killed. Real-time polymerase chain reaction and Western blot were used to detect the expression levels of secreted protein, acidic and rich in cysteine (SPARC) in osteosarcoma specimens. Administration of 40 mg/kg Abraxane showed a tumor inhibitory rate of 98.8% (tumor weight, 0.033 ± 0.044 g, P < 0.01), which was significantly higher than Adriamycin (46.1%, tumor weight, 1.455 ± 1.115 g, P < 0.01) and paclitaxel (40.8%, tumor weight, 1.597 ± 1.834 g, P < 0.05). Real-time polymerase chain reaction and Western blot showed higher expression of SPARC in tumor tissues than in normal tissues. The antitumor effect of Abraxane was demonstrated in osteosarcoma xenografts in vivo. It suggests that SPARC tends to be highly expressed in osteosarcoma and further experiments need to explore its clinical relevance and the possible mechanisms.
    Full-text · Article · Jan 2012 · The American Journal of the Medical Sciences
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    ABSTRACT: In the last 15 years, chemotherapy-based therapeutic regimens for the treatment of osteosarcoma have failed to demonstrate improved survival rates. Novel approaches, including targeted therapy and antiangiogenic therapy, may provide new methods for the treatment of osteosarcoma, one of the most deadly malignant diseases. In the present study, the therapeutic efficacy of an endogenous angiogenesis inhibitor, endostatin, was tested in combination with the chemotherapeutic agent, adriamycin. BALB/c mice, aged 4-6 weeks were fed animal chow and had access to water ad libitum. The mice were divided into groups and injected with tumor cells. Immunohistochemical staining was performed to identify the microvessel density. The TUNEL technique was also used to determine the apoptotic index. The combination of endostatin and adriamycin produced marked synergistic antitumor activity in a mouse osteosarcoma model. These findings provide new guidelines for designing future clinical trials and for the application of currently available clinical drugs (endostatin has been approved for clinical use) in the treatment of osteosarcoma.
    Full-text · Article · Sep 2011 · Oncology letters
  • Lin Hao · Tao Wang · Hai-Rong Xu · Xiao-Hui Niu
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    ABSTRACT: To evaluate the surgical treatment and outcome of autogenous bone grafting and internal fixation in management of bone nonunion after massive allograft transplantation. From January 1994 to December 2006, 41 of 176 patients underwent bone nonunion after massive allograft transplantation. Twenty-two of 41 patients received autogenous bone grafting. Complete clinical and follow-up data was available for 15 cases. The average age at secondary autogenous bone grafting was 24 years old (ranging from 15 to 34). The primary diseases included osteosarcoma (5 cases), giant cell tumor (4 cases), parosteal osteosarcoma (2 cases), hemangioendothelioma (2 cases) and primitive neuroectodermal tumor (2 cases). Tumor was located at distal femur in 7 patients, middle of humerus in 3, middle of femur in 2, proximal tibia in 2 and proximal humerus in 1. Eight of 15 patients with simple bone nonunion received autogenous bone grafting. Another 7 patients with bone nonunion and fracture of primary internal fixation underwent autogenous bone grafting and re-internal fixation. At a mean follow-up of 46.8 months (ranging from 18 to 148 months), bone union was observed in 13 of 15 patients (86.7%) with the mean healing time 13.3 months (ranging from 5 to 20). Bone union could be observed in all 8 patients with simple bone nonunion and 5 of 7 patients with bone nonunion and internal fixation fracture, similar healing time 14 and 12 months respectively. There was no infection or any other complications. Two patients underwent re-nonunion received prosthesis replacement at last. The mean MSTS score of 13 patients was 25.1, with 8 simple bone nonunion patients and 5 combined with internal fixation fracture patients 25.4 and 24.6 respectively, also basically no difference. Autogenous bone grafting and internal fixation in management of nonunion after massive allograft transplantation have the advantage of easy operation, less complications, high rate of bone healing and good function result with obvious superiority to prosthesis replacement. For management of nonunion after massive allograft transplantation, autogenous bone grafting and internal fixation is mostly recommended.
    No preview · Article · Jun 2009 · Zhonghua wai ke za zhi [Chinese journal of surgery]
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    ABSTRACT: To evaluate the prognostic factors for the local recurrence of osteosarcoma in extremities treated with combined therapy. Between 1992 and 2001, 189 patients with non-metastatic osteosarcoma were treated. The average age at diagnosis was 18 years old. Tumors were located in the distal femur in 86 patients, proximal tibia in 52, and other locations in 51. Pathologic fracture occurred in 22 cases. One hundred and sixteen patients received combined therapy, 73 patients underwent non-combined therapy (tumor resection only or unfinished chemotherapy). In the combined therapy group, 90 patients underwent limb salvage surgery and 26 patients received amputations. In the non-combined therapy group, 42 patients underwent limb salvage surgery and 31 patients received amputations. With Chi-Square test, local recurrence rates were retrospectively evaluated in relation to gender, age, tumor site, pathologic fracture, serum level of alkaline phosphatase, protocol of chemotherapy, type of surgery, surgical margin, size of tumor, and postoperative chemotherapy. Multiple factors were analyzed by Logistic regression analysis. The 5-year-survival rate was 78.5% in the combined therapy group and 35.1% in the non-combined therapy group. Local recurrence rate was 16.6% (15 cases) in limb salvage surgery with combined therapy group (90 cases) and 38.1% (16 cases) in limb salvage surgery with non-combined therapy group (42 cases) (P<0.001). Metastasis rate was 28.4% (33 cases) in the combined therapy group (116 cases) and 65.7% (48 cases) in the non-combined therapy group (73 cases) (P<0.000). The local recurrence rate was significantly related to serum level of alkaline phosphatase after preoperative chemotherapy, type of surgery, surgical margin and chemotherapy protocol. Moreover, Logistic regression revealed that surgical margin and serum level of alkaline phosphatase after preoperative chemotherapy were the key factors affecting the local recurrence. The local recurrence is related to the surgical margin. The adequate surgical margin is very important for the limb salvage. The local recurrence is highly related to metastasis. The inadequate surgical treatment would damage the survival of patients with osteosarcoma.
    No preview · Article · Aug 2007 · Zhonghua wai ke za zhi [Chinese journal of surgery]
  • Xiao-hui Niu · Lin Hao · Qing Zhang · Yi Ding
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    ABSTRACT: To evaluate the functional outcome and the complications of allograft replacement in management of bone tumors. Between March 1992 and September 2002 164 patients underwent bone tumor resection and massive allograft reconstruction of bone defects. The length of the resected part ranged from 5 - 35 cm. The resections were classified as marginal or wide resections of the tumor on the basis of the Musculoskeletal Tumor Society staging system. Fresh-frozen allografts were employed as osteoarticular grafts (n = 95), hemi-condylar (n = 15), massive (n = 23), allograft-prosthesis composite (n = 12), intercalary grafts (n = 15) or hemi-pelvic grafts (n = 4). Most of the lesions were osteosarcoma and giant cell tumor of bone and located in proximal and distal femur, proximal tibia and humerus. At a median follow-up of 47 months (range, 12 to 168 months) after the operation, 154 of the patients in the study were free of disease and 10 died of disease. Twenty-one (12.8%) patients had local recurrence and 38 (23.2%) nonunion. Late complications included 11 (6.7%) fractures of the allograft and 18 (11.0%) infections of the graft. Instability of the joint in the form of subluxation was noted in 13 (7.9%) patients. Ten extremities were amputated due to local recurrence or severe infection. Allografts can be used for reconstruction of bony defects after tumor resection. Allograft has nearly similar shape, strength, osteo-conduction and osteo-induction with host bone. Allograft implantation is a high complication reconstruction method, and the risk of recurrence increases when less surgical margin achieves.
    No preview · Article · Jun 2007 · Zhonghua wai ke za zhi [Chinese journal of surgery]
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    ABSTRACT: To discuss the indications of reconstruction with total femoral prosthesis for the patients with a majority of femur infiltrated by malignant bone tumor, and to evaluate the functional outcome and complication. Between October 1996 and October 2002, 17 patients with malignant bone tumor were treated with total femoral prosthesis replacement. The patients included 8 males and 9 females, whose age was from 12 to 34 years, with the average of 16 years. The lesions were located in the proximal femur metaphysis in 1, the distal femur metaphysis in 6, the femur shaft in 10, pathologic fracture in 2, skip lesions in 3. The extent of lesions was 23-28 cm (a majority of femur infiltrated by malignant bone tumor). Preoperative pathologic diagnosis were established by open biopsy (2 cases) or needle biopsy (15 cases). All patients were osteosarcoma. According to Enneking surgical staging system, the cases were 12 IIB and 5 IIIB. Seventeen cases received preoperative chemotherapy and 15 cases received postoperative chemotherapy. Seventeen cases were followed up with a mean time of 45 months (range 9-120 months). Local recurrence was observed in 3 (17.6%) after operation 6-14 months. In 12 IIB cases, 4 cases (33%) developed pulmonary metastasis and died. Eight cases remained continuously disease-free for average 75 months (range 50-120 months). In 5 IIIB cases, all with a mean survived term of 13 months (range 9-20 months) died. Fifteen patients (88%) could walk. The patients had maintained average 74% (range 40% - 93%) limb function scores evaluated by ISOLS criteria. Four cases had complications of paralysis of common peroneal nerve (3 cases) and dislocation of hip joint (2 case). No infection took place. Total femoral prosthesis replacement could be used in the treatment of the patients with a majority of femur infiltrated by malignant bone tumor and could effectively recover their limb function to a great extent. The procedure can effectively improve the quality of life for the patients with malignant bone tumor staging IIIB.
    No preview · Article · Jun 2007 · Zhonghua wai ke za zhi [Chinese journal of surgery]
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    ABSTRACT: To evaluate the survival rates and complications of combined therapy for primary osteosarcoma of the extremities between 1992 and 2001. From 1992 to 2002, 189 patients with non-metastatic osteosarcoma were treated. Their average age at diagnosis was 18 years old (ranging from 4 to 39). Tumors were located at distal femurs in 86 patients, proximal femurs in 4, proximal tibia in 52, proximal humors in 19 and other locations in 28. Combined therapy (resection of tumor with chemotherapy) was given 116 patients and non-combined therapy (tumor resection only and unfinished chemotherapy) to 73. In combined therapy group, 90 patients underwent limb salvage surgery, and 26 patients received amputations. In non-combined therapy group, 42 patients underwent limb salvage surgery and 31 patients received amputations. The 5-year-survival rates were 78.5% in the combined therapy group and 35.1% in the non-combined therapy group. Local recurrence rate was 16.6% (15 cases) in limb salvage surgery with combined therapy group (90 cases) and 38.1% (16 cases) in limb salvage surgery with non-combined therapy group (42 cases) (P < 0.007). Metastasis rate was 28.4% (33 cases) in the combined therapy group (116 cases) and 65.7% (48 cases) in the non-combined therapy group (73 cases) (P < 0.000). Functional evaluation showed that the patients who underwent salvage surgery had higher functional scores than those who had an amputation. According to MSTS scoring system (1993), 56 patients (excision alcohol replacement 36 cases, allograft 10 cases and prosthesis 10 cases) were evaluated functional scores. The average scores reached same level (P > 0.5). (1) In this study, the 5-year-survival rate in the combined therapy is improved. The treatment for the patients with metastasis in lung is very difficult for improvement of the 5-year-survival rate. (2) The local recurrence is related the surgical margin. The adequate surgical margin is very important for the limb salvage. (3) The combined therapy is very essential for improving survival rate.
    No preview · Article · Jan 2006 · Zhonghua wai ke za zhi [Chinese journal of surgery]
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    ABSTRACT: To evaluate the functional outcome and the complications of allograft replacement in management of giant cell tumors of bone. Seventy-seven patients who underwent bone tumor resection and massive allograft reconstruction of bone defects between 1992 and 2002 were evaluated. The length of the resected part ranged from 5 to 11 centimeters. Fresh-frozen allografts were employed as osteoarticular grafts (n = 47), hemi-condylar (n = 12), massive (n = 14) or allograft-prosthesis composite (n = 4). Most of the lesions located in proximal and distal femur, proximal tibia and humerus. The oncological parameters that were evaluated including survival of the patient, local recurrence, and metastasis. The radiographic parameters included time to union, stability of the joint, fracture of the allograft. Mankin evaluation system was used to assess functional outcome. At a median of 35 months (range from 12 to 135 months) after the operation, 76 of the patients in the study group were free of disease, and one had died of disease. Eleven (14.1%) patients had local recurrence and 12 (15.4%) nonunion. Late complications included 5 (6.4%) fractures of the allograft and 5 (6.4%) infections of the graft. Instability of the joint in the form of subluxation was noted in 5 (6.4%) patients. One extremity were amputated due to local recurrence. On the basis of Mankin functional evaluation, the total satisfied rate was 83.2 percent. Osteoarticular graft got the highest score (91.5%) and hemi-condylar got the lowest (66.6%). Massive grafts and composite were at the middle (ranges from 71.4% to 75%). Allografts offer many types of reconstruction for bony defects after tumor resection. The functional results are comparable to other methods of reconstruction, and once incorporated by the host, offer the advantage of longevity. It is also a method with high complication, and decreasing the complications could improve the functional score. Less resection could get better reconstruction and better function, less margin resulted at the same time. The risk of recurrence increases when less surgical margin achieves. The main end-result-influencing factor is local recurrence.
    No preview · Article · Sep 2005 · Zhonghua wai ke za zhi [Chinese journal of surgery]
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    ABSTRACT: To improve the life quality of cancer patients with metastasis to long bone and to select suitable surgical treatment. Fifty two patients with metastasis 27 men and 25 women, were treated from 1990 to 1999. Their average age was 56.8 years (33 - 74). In 16 patients with multiple lesions, underwent surgery at bone shaft (29 patients) and bone epiphysis (26). Thirty patients were treated for pathologic fracture and the rest for impending fracture. Operations included limb-salvage (51 patients) and amputation (4) Limb salvage consisted of intralesional curettage (3 patients), intramedullary nailing reconstruction (29), endoprosthesis (18), and temporary spacer (1). 21 patients accepted postoperative chemotherapy or radiotherapy. Follow-up of 52 patients for a mean of 28.2 months (2 - 122 months) showed pain relief (41 patients), (75%) and full or part weight-bearing stability (36) 69%. Local tumor recurrence occurred in 11 patients. Surgical treatment can effectively improve the life quality of patients with metastasis to long bone. The metastatic lesions should be resected with wide or radical margin for the patients with kidney, breast, prostate and thyroid cancer.
    No preview · Article · Mar 2003 · Zhonghua wai ke za zhi [Chinese journal of surgery]