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目的：研究和评估骨肿瘤手术前选择性动脉栓塞治疗的价值、作用，探讨影响骨肿瘤术前动脉栓塞疗效的因素。材料与方法：对２４例骨肿瘤（恶性肿瘤２１例，巨大良性肿瘤３例）进行选择性动脉栓塞，先用明胶海绵颗粒栓塞肿瘤区小血管，再以明胶海绵细条栓塞供血动脉主干，于栓塞后１～５天进行手术。结果：共栓塞肿瘤供血动脉４７支，２３例手术成功，手术过程顺利，其中２０例肿瘤被完全切除，３例被大部切除，术中平均失血为９６０ｍｌ（２５０～２５００ｍｌ），无１例发生术中死亡或术后严重并发症；１例在术中难以止血致手术失败。结论：选择性动脉栓塞是某些部位骨肿瘤（如骨盆、脊柱、肩胛骨等部位）手术前十分重要而有效的治疗方法。栓塞治疗的关键是栓塞肿瘤的所有供血动脉
Objective: To study and evaluate the value and role of selective arterial embolization before bone tumor surgery, and to explore the factors that affect the efficacy of preoperative arterial embolization of bone tumors. Materials and Methods: Selective arterial embolization was performed in 24 cases of bone tumors (21 malignant tumors and 3 large benign tumors). The small blood vessels in the tumor area were embolized with gelatin sponge particles. The main artery of the blood supply artery was embolized with a thin strip of gelatin sponge to embolize. 1 to 5 days after surgery. RESULTS: A total of 47 blood supply arteries were embolized in total. Twenty-three cases were successfully operated and the operation was successful. Among them, 20 cases were totally resected and 3 cases were completely resected. The average blood loss during operation was 960 ml (250-2500 ml), and none occurred. Intraoperative death or serious postoperative complications; 1 case of failure to stop bleeding during surgery caused surgery failure. CONCLUSIONS: Selective arterial embolization is an important and effective treatment for bone tumors (such as pelvis, spine, scapula, etc.) in some sites. The key to embolization is the embolization of all the blood supply to the artery