Volume 156, Issue 5, Pages e1 (April 2019)

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Volume 156, Issue 5, Pages 1250-1252.e1 (April 2019) Endoscopic Mediastinal Lymph Node Identification and Resection Using Carbon Nanoparticles in a Porcine Model Bing-Rong Liu, Md Robin Ahmed, Dezhi He, Lixia Zhao, Wenyi Yang, Xuehui Zhang, Yang Shi, Yangyang Zhou, Deyu Zhang, Yong Chen, Zhenzhen Cao, Donghai He, Yulian Yuan, Deliang Li Gastroenterology Volume 156, Issue 5, Pages 1250-1252.e1 (April 2019) DOI: 10.1053/j.gastro.2018.12.040 Copyright © 2019 AGA Institute Terms and Conditions

Figure 1 Lymph node (LN) detection and resection. (A) Injected carbon nanoparticles (CNs) into the submucosa. (B) Mucosal incision was created using a hook knife. (C) LN dissection with an IT knife (D) Endoscopic view of CNs-dyed LN. (E) Closure of the mucosal entry with clips. (F) Resected CNs-dyed LN. Gastroenterology 2019 156, 1250-1252.e1DOI: (10.1053/j.gastro.2018.12.040) Copyright © 2019 AGA Institute Terms and Conditions

Figure 2 Histopathology result. (A, B) Histopathologic result shows that was normal lymph node (LN; stain: hematoxylin and eosin; original magnification ×100). (C, D) CNs were seen in the lymphatic channels (arrow), and macrophages in the LN (stain: hematoxylin and eosin; original magnification ×100). Gastroenterology 2019 156, 1250-1252.e1DOI: (10.1053/j.gastro.2018.12.040) Copyright © 2019 AGA Institute Terms and Conditions