寰枢的

Objective: To study three-dimensional movement of four type of posterior atlantoaxial fixation techniques of type Ⅱ odontoid process fracture.

目的：对寰枢椎齿状突Ⅱ型骨折实验模型的4种后路内固定方式下的三维运动范围进行实验研究，为临床选择内固定方法提供生物力学依据。

Methods The ligamentous, nonlinear, three-dimensional finite element models of normal upper cervical spine (C0-C3) and type II odontoid fracture were developed and validated.

方法建立具有详细解剖结构的上颈椎(C0-C3)及寰枢椎不稳定的有限元模型并验证其有效性。

Objective To introduce the new methods of posterior approach for the atlantoaxial instability.

目的 介绍寰枢椎不稳的后路内固定治疗的新方法。

Objective: To summarize the three-dimensional diagnosis of atlantoaxial subluxation with X-ray photograph and to evaluate the therapeutic effects of acupotomy and spinal manipulation technique.

目的：研究与总结寰枢椎半脱位的X线片三维诊断和针刀松解、手法整脊的治疗效果。

Objective:To explore the pathogenesis and treatment of the atlantoaxial subluxation in children,and to evaluate the significance of X-rays,CT and MRI in this disease.

目的 ：探讨小儿特发性寰枢关节半脱位的发病机理及其治疗，评价X线平片、CT、MRI等检查在诊疗及康复过程的意义。

Methods The MSCT and digital radiography data of 39 cases with atlantoaxial injury verified by clinical workups were retrospectively analyzed.

回顾性分析39例经临床确诊的寰枢椎损伤患者的MSCT及DR资料。

Spiral CT reconstruction can provide the most accurate and integrity imaging information and is very useful in the diagnosis of atlantoaxial injuries and deformity.

螺旋CT重建技术能够提供准确、完整的影像学信息，在寰枢椎损伤与畸形的诊断中具有重要应用价值。

The indications for intervention in patients with atlantoaxial instability are pain, myelopathy, and progressive neurologic deficit.

背景：对于寰枢关节不稳患者的干预指征为疼痛，脊髓病变和进行性的神经功能缺损。

The various treatment options available for these patients are isolated C1–C2 fusion, occipitocervical fusion with or without transoral surgery.

治疗选择多样有单独的寰枢椎融合，枕颈融合，经口或不经口的手术。

Methods. A 26-year-old man with Down syndrome suffered from retropharyngeal infection, after which his atlantoaxial subluxation was aggravated and myelopathy developed.

一26岁男性唐氏综合症患者，在咽后部感染后，继发日益严重的寰枢椎半脱位，并发生脊髓病。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。