Bone tumor is a common bone disease , its category includes benign tumor , malignant tumor , metastasis tumor , cancroid pathological changes , and etc . , it ' s usually seen in juvenile and does many harms 骨肿瘤是一种常见的骨科疾病，有良性、恶性、转移癌及癌样病变等，多发于青少年，危害较大。
Bone tumor assisted diagnosis system is such a computer programme that applies the design theory and method of expert system , simulates medical expert diagnosis and treatment in bone tumor 骨肿瘤辅助诊断系统是运用专家系统的设计原理和方法，模拟医学专家诊断、治疗骨肿瘤的思维过程而编写的计算机程序。
Conclusions it is an effective method for extremity salvage treatment of patients with knee malignant bone tumors , and it is convenient to improve life quality and reserve low extremity function 结论此手术可改善膝部恶性骨肿瘤患者的早期生活质量、减少致残率，严重手术并发症少，患者术后功能、效果较满意。
Allograft - prosthesis combination in included allograft proximal femurs with tatal hip arthroplasty ( 3 patients ) , allografts bipolar femoral head replacement ( 8 ) , allografts with toral knee arthoplasty prosthetic replacements ( 7 ) 60岁，其中骨肉瘤4例，软骨肉瘤2例，恶性骨巨细胞瘤3例，纤维肉瘤3例，其它恶性骨肿瘤4例。
The application of computerized diagnosis system in the bone tumor assisted diagnosis could improve diagnostic accuracy in bone tumor , be convenient for medical stuff and be benefit to patients 将计算机数字化诊断系统应用于骨肿瘤辅助诊断，可以大大地提高骨肿瘤诊断的准确率，为医疗工作者将带来方便，给患者带来福音。
We report the case of an 18 - month - old male toddler who was presented with swelling at the medial aspect of the left ankle and walked with a limping gait for one month 摘要软骨母细胞瘤是一种少见之良性骨肿瘤，通常以长骨之骨髓端较易发生，尤其以胫骨，股骨和肱骨之骨髓端最为常见，少部份发生在扁平及短管状形骨之骨髓，如膑骨或跟骨等处。
Methods : 178 patients with multiple metastases of cancer to bones were treated with 89sr internal radiotherapy , we observed and followed up all patients closely from 3 sides , including pain palliation , analysis of focus therapy effect , side - effect 方法：对178例转移性骨肿瘤患者采用89锶内照射治疗，分别从缓解骨痛、病灶疗效评价和不良反应三方面进行密切观察、随访。
Results : the total effect rate of pain palliation is 69 . 7 % , the effect rate of prostate and breast cancer to bone attains 87 . 4 % and 75 . 6 % . 55 . 1 % patients primary focuses were proved to be localized or improved through bone imaging 结果： 89锶缓解骨痛的总有效率为69 . 7 % ，对前列腺癌和乳腺癌转移性骨肿瘤患者有效率可达87 . 4 %和75 . 6 % ，骨显像显示55 . 1 %的患者原发病灶局限或改善。
Objective to explore and analyse the application and clinical outcomes of extensive tumor resection and reconstruction with specially made hinged total knee prosthesis combined with medial gastrocnemius transposition flap in extremity salvage treatment of patients with knee malignant bone tumors 摘要目的探讨“肿瘤扩大切除定制铰链型人工全膝假体结合排肠肌内侧头肌瓣转移重建术”在膝部恶性骨肿瘤保肢中的应用和疗效。
Conclusions both prosthetic replacement and allograft advantages , the use of large bone allografts with metallic protheses for the treatment of bone tumors near or involving joints can be applied with good results in selected patients having limb salvage surgery 结论人工关节假体复合大段同种异体骨移植，适合恶性骨肿瘤肢体挽救术和保肢手术后的二次返修术，具有人工关节和大段同种骨移植双重优点，手术设计应注重生物力学原理和大段同种骨愈合特点。
