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世界首例!沪上医院采用3D打印助患者颈椎“再生”

2017-08-04 12:57:27   中国青年网

在麻醉科的全力配合下,肖建如主任、杨兴海副教授团队先后分二期实施了颈后路和前路的手术。经过13小时的奋战,成功完整切除了跨越6个椎节巨大肿瘤并实施了3D打印全颈椎人工椎体置换术。术后未出现任何并发症。

据了解,此次设计的3D打印全颈椎人工椎体与以往的人工椎体相比,该系统具有的海绵状微孔结构,有利于假体与邻近骨面的融合;同时假体中央留有植骨孔道,便于同种异体骨植入,最终实现生物融合;此外,假体头端外形完全根据寰枢椎关节的生理结构和生物力学特点,精确匹配,使重建更为稳固;假体头端以螺钉固定于寰椎侧块,尾端采用椎体螺钉及终板螺钉交叉固定系统,具有更好的抗拔出和抗旋转能力。该手术的成功实施,标志着我国在超长节段颈椎个体化3D打印人工椎体的研究和应用方面又迈出了坚实的一步。

肖建如教授提醒,软骨肉瘤为一种极易复发的原发性恶性肿瘤,第一次手术切除的彻底性尤为重要。”患者肿瘤累及范围广,病情进一步发展可能导致高位瘫痪,危及生命。对于小文这样的情况,我们采用了多学科的立体治疗手段,为确保巨大肿瘤彻底切除,最大限度地降低局部复发率。为此,我们术前进行了新辅助放疗,减少术中出血和促进假性包膜形成,便于肿瘤彻底切除。"

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