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Simultaneous flexion of the thumb and index finger after a fracture of the first metacarpal bone

A case report

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Summary

We report a case in which simultaneous flexion of the thumb and index finger occurred after a fracture of the 1st metacarpal bone. This was demonstrated to be due to a fibrous adhesion around an anomalous slip between the tendons of flexor pollicis longus and flexor digitorum profundus indicis.

Résumé

L'existence d'une anastomose entre le tendon du long fléchisseur du pouce et celui de l'index du fléchisseur commun des doigts a été décrite comme une anomalie relativement fréquente. Cependant, une symptomatologie clinique est inhabituelle malgré la fréquence de telles anomalies. Nous présentons un cas trés rare dans lequel, aprés fracture du premier métacarpien, est apparue une perturbation de la flexion indépendante du pouce et de l'index. Il semble qu'une adhérence fibreuse au niveau de la zone de glissement du tendon anormal soit la cause de ce symptôme.

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References

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Authors and Affiliations

  1. The Department of Orthopaedic Surgery, Kyoto Ohashi General Hospital, Kyoto, Japan

    H. Dohno & Y. Kawakita

  2. The Department of Orthopaedic Surgery, Meiji College of Oriental Medicine, Kyoto, Japan

    Y. Katsumi

  3. The Department of Orthopaedic Surgery, Kyoto Prefectural University of Medicine, Kyoto, Japan

    Y. Hirasawa

Authors
  1. H. Dohno
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  2. Y. Kawakita
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  3. Y. Katsumi
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  4. Y. Hirasawa
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Dohno, H., Kawakita, Y., Katsumi, Y. et al. Simultaneous flexion of the thumb and index finger after a fracture of the first metacarpal bone. International Orthopaedics 16, 191–192 (1992). https://doi.org/10.1007/BF00180216

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  • DOI: https://doi.org/10.1007/BF00180216

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