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Prevention of neuroma formation by Neodym Yag laser—Experimental observations

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Summary

The influence of Laser radiation on neuroma formation was investigated in rat sciatic nerves. Peripheral nerve trunks were divided by focussed Neodym Yag Laser and compared with those transected by microscissors. The nerves were re-exposed at different time intervals up to 240 days after initial operation. True neuroma formation could not be observed after laser transection. Sharp division resulted in widespread amputation neuromas consisting of regenerating axons and connective tissue. Neodym Yag laser radiation by its scattering effect may cause deep coagulation necrosis and thrombosis of vasa nervorum thus sealing the dome of the divided nerve trunk. The formation of amputation neuromas may be suppressed by laser application.

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Author notes

  1. H. -J. König

    Present address: Neurochirurgische Klinik, Westfälische Wilhelms-Universität Münster, Münster, Germany

Authors and Affiliations

  1. Institut für Medizinische Cytobiologie, Westfälische Wilhelms-Universität Münster, Münster, Germany

    H. Themann

  2. Anatomisches Institut, Westfälische Wilhelms-Universität Münster, Münster, Germany

    U. Hiller

  3. Institut für Neuropathologie, Westfälische Wilhelms-Universität Münster, Münster, Germany

    F. Gullotta

Authors
  1. H. -J. König
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  2. H. Themann
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  3. U. Hiller
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  4. F. Gullotta
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König, H.J., Themann, H., Hiller, U. et al. Prevention of neuroma formation by Neodym Yag laser—Experimental observations. Acta neurochir 87, 63–69 (1987). https://doi.org/10.1007/BF02076019

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