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机构地区:[1]温洲医学院附属第二医院骨科,附属育英儿童医院小儿骨科,温洲医学院骨科研究所,浙江温洲325027 [2]四川大学华西医院小儿骨科 [3]四川大学基础医学院解剖学教研室
出 处:《中国骨伤》2003年第11期652-654,共4页China Journal of Orthopaedics and Traumatology
摘 要:目的 探讨牵拉肘发病机制与桡骨头颈、环状韧带、滑膜皱襞的关系。方法 对16侧婴幼儿和10侧学龄前儿童肘关节桡骨头颈、环状韧带、滑膜皱襞进行解剖观察测量。结果 桡骨头矢状径、横径均大于相应桡骨颈矢状径、横径(24%~30%),环状韧带上下缘弧长接近(婴幼儿26.82、26.57mm,学龄前儿童28.50、27.65 mm),桡骨头后内侧、前外侧滑膜皱襞恒定存在,基底宽大,游离缘长(婴幼儿9.55mm,学龄前儿童11.38mm),形态多样。结论 环状韧带或滑膜皱襞嵌入肱桡关节间是引起牵拉肘发病的重要因素,该机制可以解释牵拉肘的临床表现。Objective To explore the pathologic mechanism of the pulled elbow with the relationship of the annular ligament and synovial fold in childhood Methods The embalmed cadsver's elbows in 16 infants and 10 pre-school children were dissected. The radial head and neck, annular ligament and synovial fold were observed and measured. Results The sagittal and transverse diameter of the radial head were larger than the diameters of the radial neck (24% -30% ). The superior and inferior lengths of the annular ligament were approximately similar (26.82 and 26.57 mm in infant,28.50 and 27.65 mm in pre-school children). The constant and multi-shape synovial fold were found at the postero-medial and antero-lateral area of the radial head. The free margin of the fold was long (9.55 mm in infant and 11.38 mm in pre-school children) with broad and thick basement. Conclusion Part of annular ligament or synovial fold interposed between the capitellum and the radial head could explain the mechanism of the pulled elbow.
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