Anatomical basis for repair of ulnar and median nerves in the distal part of the forearm by group fascicular suture and nerve-grafting.

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Abstract
The topography of the intraneural fascicular groups must be understood if the treatment of acute lacerations of the major nerves in the forearm is to be successful. Most lacerations in the upper extremity occur at the wrist and in the distal half of the forearm. With microsurgical longitudinal dissections and serial sections, we studied the intraneural topography of the fascicular groups of the median and ulnar nerves utilizing forty-five fresh frozen or refrigerated specimens. We devised a new technique of light photography to demonstrate the distinct boundaries of the fascicular groups. The intraneural fascicular groups provide the anatomical basis for the recommended surgical techniques of group fascicular repair and nerve-grafting.

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