髁前结节的解剖学和临床相关性

A. Jaffar
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引用次数: 3

摘要

应考虑到可能存在的髁前结节,以避免在影像学上的误解或手术干预时的混淆。本研究检查了干颅骨,以描述和报告髁前结节的频率和枕骨大孔前缘的类似变异。轴位CT显示一侧颅骨两侧突出的髁前结节。10%的颅骨可见髁前结节。其他模拟观察包括存在中线骨刺、双侧凹陷到枕髁前内侧、第三枕髁和部分分离的枕髁。这些变异大多与舌下管的分隔有关。单纯的髁前结节不会产生神经学表现,但应考虑其与其他变异的可能关联。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Anatomical and clinical correlates of the precondylar tubercle
The possible presence of the precondylar tubercle should be considered in order to avoid misinterpretation in radiographic images or confusion during surgical intervention. This study examines dry skulls in order to describe and report the frequency of the precondylar tubercle and similar variations at the anterior margin of foramen magnum. Axial CT was used to demonstrate the appearance of bilaterally prominent precondylar tubercles in one skull. Precondylar tubercles were observed in 10% of the skulls. Other simulating observations included the presence of a midline spur, bilateral depression anteromedial to the occipital condyles, third occipital condyle, and a partly divided occipital condyle. Most of these variations were associated with septation of the hypoglossal canal. The presence of a mere precondylar tubercle is not expected to produce neurological manifestations, but its possible association with other variations should be considered.
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