枕骨

For example, the top presentation, the left occipital bone in the pelvis, forward, then before the fetal position for the left occipital, for the most common fetal position.

例如顶先露，枕骨在骨盆左侧，朝前，则胎位为左枕前，为最常见之胎位。

Foramen magnum decompression is an excellent surgical technique that has no effect on the postoperative cervical ROM and cervical alignment.

枕骨大孔减压术目前已经是一项非常完善的手术技术方法，这种方法对术前颈部活动范围和脊椎的校正不会产生任何影响。

Objectiveto study microsurgical treatment of foramen magnum tumors.

目的 分析和探讨枕骨大孔区肿瘤的显微外科治疗。

As the two feet to walk upright, the foramen magnum from the skull behind the move to the next skull.

由于两足直立行走，枕骨大孔由颅后方移到颅下。

Methods the clinical manifestations, operative approach, resection extents, postoperative complications and quality-of-life of 12 patients with foramen magnum meningioma were retrospectively analyzed .

回顾研究了12 例枕骨大孔区脑膜瘤病人的临床表现、手术方法、切除程度、术后并发症及术后生活质量等。

Condusionsmicrosurgical operation can effectively improve curative results of foramen magnum tumor.

枕骨大孔区肿瘤通过显微外科手术治疗效果较好。

Methods26 cases of foramen magnum tumor underment microsurgical treatment.to deseribe them clinical、operation and treatment result.

对应用显微外科手术治疗的26例枕骨大孔区肿瘤病例进行分析，探讨其临床特点、手术方法及治疗效果。

Microsurgical treatment;Tumor of the foramen magnum

枕骨大孔区肿瘤；显微手术治疗

KEYWORDS: cervical spinal motion; Chiari malformation; foramen magnum decompression; syringomyelia.

要害词：颈椎运动；枕骨大孔减压术；脊髓空洞症

Chiari malformations are a spectrum of anomalies associated with a reduction of posterior cranial fossa volumes and CSF while conserving overall brain volume. Chiari I malformations refer to a greater than 5 mm herniation of the cerebellar tonsils down through the foramen magnum.

chiari畸形是由于后颅窝容积及脑脊液减小而与正常的脑容积不匹配造成的一系列的异常病变的统称。chiariI型畸形是指小脑扁桃体下疝超过枕骨大孔5mm以上。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。