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目的研究单侧完全性唇裂鼻部肌肉缺损与鼻端中线结构移位与畸形的关系。方法将33例正常成人尸体鼻标本与30例单侧完全性唇裂鼻畸形Ⅱ期修复患者的降鼻中隔肌行解剖组织学对比观察。结果证实单侧完全性唇裂患侧降鼻中隔肌缺损。结论因患侧降鼻中隔肌缺损使鼻中线两侧肌力平衡破坏,肌力平衡失调导致唇裂鼻鼻端中线结构的移位和畸形可能是单侧唇裂鼻畸形形成的重要原因之一。
Objective To study the relationship between unilateral complete cleft lip and nasal muscular defect and the displacement and deformity of the nasal end midline. Methods The anatomy of the descending nasal septum of 33 normal adult cadaver specimens and 30 unilateral complete cleft lip nasal deformities were compared. The results confirmed unilateral complete cleft lip lateral nasal septum defect. Conclusions Due to the ipsilateral loss of nasal septum, the muscular balance of both sides of the nasal medianus is destroyed. The imbalance of muscular balance can lead to the displacement and deformity of the midline nasal cleft lip, which may be one of the important reasons for the formation of unilateral cleft lip nasal deformity.