掌长肌腱附着点的变异。
Variation in the insertion of the palmaris longus tendon.
作者信息
Sunil Vinutha, Rajanna Shubha, Kadaba Jayanthi
机构信息
Department of Anatomy, JSS Medical College, Mysore-570015, Karnataka, India.
出版信息
Singapore Med J. 2015 Jan;56(1):e7-9. doi: 10.11622/smedj.2015018.
The palmaris longus is harvested as a tendon graft in various surgical procedures. We herein report the variations in the insertion of the palmaris longus tendon. During a routine dissection, a rare variation in the insertion of the palmaris longus tendon was observed. In the left forearm, the palmaris longus tendon bifurcated, while in the right forearm, the palmaris longus tendon trifurcated, giving rise to an accessory muscle, which passed superficial to the ulnar artery and ulnar nerve. The accessory muscle was supplied by a deep branch of the ulnar nerve, and the ulnar artery was observed to be tortuous. During reconstructive surgeries, surgeons should bear in mind the accessory muscle. Also, since the palmaris longus muscle provides a very useful graft in tendon surgery, every surgeon should be aware of the variations in the insertion of the palmaris longus tendon.
掌长肌在各种外科手术中被用作肌腱移植物。我们在此报告掌长肌腱止点的变异情况。在一次常规解剖过程中，观察到掌长肌腱止点出现罕见变异。在左前臂，掌长肌腱分叉，而在右前臂，掌长肌腱分成三叉，形成一块副肌，该副肌从尺动脉和尺神经浅面经过。副肌由尺神经深支供血，且观察到尺动脉迂曲。在重建手术中，外科医生应牢记这块副肌。此外，由于掌长肌在肌腱手术中能提供非常有用的移植物，每位外科医生都应了解掌长肌腱止点的变异情况。
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