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首页> 外文期刊>Journal of Hand Surgery. American Volume >Variations of capitate morphology in the wrist.
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Variations of capitate morphology in the wrist.

机译：腕头状形态的变化。

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摘要

PURPOSE: This anatomical study details and categorizes variations in capitate morphology and associated structures in the human cadaveric wrist. METHODS: We dissected 107 cadaveric wrists. Capitate morphology, the presence of capitate and hamate ridges, the lunate types, and the width of the medial hamate facet of type II lunates and 4th carpometacarpal joint types were recorded. RESULTS: Three types of capitate were identified. The flat type (69/107, or 65%) was characterized by a horizontally oriented (radio-ulnar) lunate-capitate articulation and a longitudinally oriented (proximal-distal) scaphoid-capitate articulation. The flat type was associated with type I lunates or type II lunates with a smaller facet. The spherical type (23/107, or 22%) was associated with a concave articulation formed by the scaphoid and lunate articulations, with an indistinct border between the scaphoid and lunate facets. The width of the medial hamate facet of type II lunates in wrists with a spherical-type capitate was
机译：目的：这项解剖学研究详细描述了人类尸体腕部的头状形态和相关结构的变化并进行了分类。方法：我们解剖了107具尸体手腕。记录了人头状形态，人头状和Hamate脊的存在，发光的类型以及II型月齿和第4腕掌关节类型的内侧Hamate刻面的宽度。结果：确定了三种类型的人头。扁平型（69/107或65％）的特点是水平定向（放射尺骨）的月牙状头关节和纵向定向（近端）的舟骨状头关节。扁平型与I型锯齿或具有较小切面的II型锯齿相关。球形（23/107或22％）与由舟骨和月牙关节形成的凹关节相关，舟骨和月牙小平面之间的边界不明显。在具有球形头状wrist的手腕中，II型状肉的内侧Hamate刻面的宽度≤4 mm。 V形（15/107或14％）的特征是月牙形和舟骨形小面会聚，形成V形。所有的V形斗篷都有一个大面的II型月牙。结论：发现了3种头状类型与II型lun鱼的月牙类型和内侧Hamate小平面的宽度之间的关系。有必要进行进一步的研究来确定这些人头形态的差异是否会影响各种腕部病理状况的发展或进程，例如与肩cap骨分离和肩cap骨骨不连相关的肯恩博克病和创伤后关节炎，以及某些手术程序的结果，例如近端行鲤鱼切除术。

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