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Objective To study the diagnosis and operative treatment of foramen magnum tumors.

作者：任仲坤李玉保，龚会军，黑万生目的研究枕大孔区肿瘤的诊断与手术疗效。

Acquaintance with anatomy of foramen magnum region,microsurgical technique,suitable surgical approach and post--operative management are closely related with the therapeutic effect.

熟悉枕大孔区解剖，运用显微外科技术，选择合适手术入路，注重术后处理，都与疗效密切相关。中国论文联盟http：//www.lwlm.com

Acquaintance with anatomy of foramen magnum region,microsurgical technique,suitable surgical approach and post--operative management are closely related with the therapeutic effect.

熟悉枕大孔区解剖，运用显微外科技术，选择合适手术入路，注重术后处理，都与疗效密切相关。中国诺宇综合网http：//www.siaaa.com

Methods:The depth of the anterior and posterior rims of foramen magnum and the angle between medulla oblongata and upper spinal cord on midsagittal SE or FSE T1WI were measured in 320normal Chinese individuals and in 36patients with basilar impression.

随机选取320例没有颅颈交界区相关的临床症状及体症，MRI扫描无明显颅骨破坏性病变和颅颈交界区畸形的正常国人和36例颅底凹陷症患者的颅脑MRI图像，于正中矢状面SE或FSE T_1WI图像上测量枕大孔前、后缘中点深度和延髓-上颈髓轴线夹角数值。正常人按性别、年龄分16组，每组20例。

Purpose:To determine the normal ranges of the depth of the anterior and posterior rims of foramen occipital magnum and the angle between medulla oblongata and the upper spinal cord on midsagittal MRI in normal Chinese idividuals and patients with basilar impression,to study their clinical significance and to provide normal reference in diagnosing basilar invagination by MRI.

目的：利用颅脑正中矢状面MRI自旋回波或快速自旋回波T_1WI图像测量颅颈交界区正常的中国人和颅底凹陷症患者枕大孔前、后缘中点深度和延髓-上颈髓轴线夹角数值，评价其正常值范围，探讨其发育规律及临床意义，为MRI诊断颅底凹陷症提供直接的参考标准。

In a normal spine, the spinal dura mater is a loose sheath that is anchored in the ertebral canal by the nere roots and by its attachment to the periosteum in two places: one at the foramen magnum and the dorsal surfaces of C2 and C3 and the other at the coccyx .

在正常脊柱，硬脊膜是松散的鞘性结松，其靠神经根和两个骨膜驸着部位固定在椎管内，一处在枕大孔和C2及C3，另一处在尾骨，其余部分只是悬吊和衬附于椎管内，其间有硬膜外脂肪、静脉丛和疏松的结缔组织。

There was no diflhrence between the two groups in surgical intervention and postoperative complication.Conclusions In order to decrease the risk of neurological complication,foramen magnum decompression (include C.posterior arch)is necessary before instrumentation and correction of scoliosis in Chiari malformation patients with syringomyelia and scoliosis as the first symptom.

Chiari畸形以脊柱侧凸为首发症状，多合并脊髓空洞，发病年龄轻，其临床症状和神经损害体征不明显，治疗策略上主张早期进行枕颈部枕骨大孔区减压和硬脑膜重建成形手术。

The prevention of cervical disease and cervical degenerative joint disease, long-term work or exercise undue discomfort caused by cervical or habitual stiff neck significant efficacy.

预防颈椎病及颈椎关节退行性病变，对长期伏案工作或运动不当造成的颈椎不适或习惯性落枕有明显功效。

Nemutan doesn't really have a leg. She's a stuffed pillowcase — a 2-D depiction of a character, Nemu, from an X-rated version of a PC video game called Da Capo, printed on synthetic fabric.

Nemutan 其实并没有腿，她只是一个被棉花塞满的枕头套，在混合纤维上刻画了一个叫做 Da Capo 这个电脑游戏中动漫人物 Nemu 的二维形象。

Anhui Xiongfeng lifting Machinery Co., Ltd. in Bernadette under the leadership of the president, is a whole new attitude, standardized management, first-class quality, service hot pillow shape of a crane industry in the province vanguard of the image and October 2002 passed the ISO9001 quality management system certification.

安徽省雄峰起重机械有限公司在陈兴发总裁的带领下，正以全新的姿态，规范的管理，一流质量，热枕的服务塑造一个全省起重机行业的排头兵形象，并于2002年10月通过了ISO9001质量管理体系认证。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。