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. 2016 Aug 10;10(2):181–187. doi: 10.21053/ceo.2016.00262

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Copyright © 2017 by Korean Society of Otorhinolaryngology-Head and Neck Surgery

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 5. — (A) Mucin pools in wide areas (star) due to the ruptured gland in the oropharyngeal tissue of the control group that received methotrexate (MTXG) (H&E, ×100). (B) Proliferated, dilated, and congested blood vessels (arrow) in the oropharyngeal tissue of the MTXG group (H&E, ×100). (C) Dilated ductal structures in the oropharyngeal tissue of the MTXG group (H&E, ×100). (D) Inflamed area (arrow) containing significant polymorphonuclear leukocytes in the oropharyngeal tissue of MTXG group (H&E, ×40).