Endoscopic submucosal dissection in the treatment of adult cystic lymphangioma: A case report

Figure 1 Abdominal computed tomography revealed localized cystic fluid low-density shadows in the ascending colon that were irregular in shape, with a maximum plane size of 2. 6 cm × 2.1 cm.

Figure 2  Two translucent ridges at the ascending colon under endoscopy.

Figure 3 The resection process and reexamination results of the lesion. A-C: After the periphery of the lesion was marked with a dual knife, the edge was cut along the lateral side of the marker. The submucosal tissue was dissected and the lesion was completely dissected; D: No recurrence was observed during colonoscopy re-examination after 1 year.

Figure 4 Histopathological results. A and B: Pathological examination revealed multiple lymphatic cavities of different sizes lined with flat endothelial cells (hematoxylin and eosin × 100).