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. 2015 Jul 8;3(6):e416. doi: 10.1097/GOX.0000000000000397

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Copyright © 2015 The Authors. Published by Wolters Kluwer Health, Inc. on behalf of The American Society of Plastic Surgeons. All rights reserved.

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License, where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially.

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Fig. 4. — Transmission electron microscope observations of IPJGs at postoperative weeks 7 (A and B) and 13 (C and D). The left and right columns show IPJGs with autograft and in a silicone tube conduit, respectively. The upper and lower rows show the observations at postoperative weeks 7 and 13, respectively. B, Although axonal regeneration was observed in the regenerating nerve in the silicone tube group at week 7, no regeneration of the myelin sheath was observed. D, A comparatively thick and substantial annular myelin sheath was observed in the silicone tube group at week 13. A and C, Regeneration of mature myelin sheath was observed in the autograft group at postoperative week 7 and 13.