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. 2021 Mar 1;2021:6685493. doi: 10.1155/2021/6685493

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Copyright © 2021 Yanru Wang et al.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Histopathological changes of the right external jugular vein. HE staining was performed to evaluate the histopathological changes. Representative images are shown. (a) Control group (×10). (b) CVC group at week 2 (×10): vascular intima shedding (black arrow), subintimal hemorrhage (green arrow) and mucoid degeneration (yellow arrow). (c) CVC group at week 4 (×10): granulation tissue organization in venous lumen (black arrow) and inflammatory cell infiltration (yellow arrow). (d) CVC group at week 6 (×20): scar tissue formation under the intima (black arrow). (e) CVC+Y15 group at week 2 (×20: inflammatory cell infiltration (black arrow) and hyaline degeneration (yellow arrow). (f) CVC+Y15 group (×10) at week 4: vascular intima shedding (black arrow). (g) CVC+Y15 group at week 6 (×10). Scale bar: 200 μm.