Conclusion Preoperative embolization plays an important role in total excision of giant hemangioma.

结论术前经动脉栓塞是根治性切除巨大血管瘤的重要步骤.

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To inquire method for preoperative embolization of nasopharyngeal angiofibromas, DSA features and possible complication.

目的:探讨鼻咽部纤维血管瘤术前治疗的方法 、 DSA表现及可能发生的并发症.

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