Submucosal tunnel docking endoscopic resection for a large gastroesophageal junction leiomyoma: A case report

Figure 1 Endoscopic and endoscopic ultrasonographic views of the lesion. A: Gastroscopic view of the lesion from the gastric fundus side; B: Gastroscopic view of the lesion from the esophageal side; C: Endoscopic ultrasonographic view of the lesion showing a hypoechoic mass originating from the muscularis propria layer.

Figure 2 Operative procedure of submucosal tunnel docking endoscopic resection. A: Creation of a submucosal tunnel in the esophagus; B: Separation of the lesion base through the esophageal tunnel; C: Linear incision made on the gastric fundus side under retroflexed endoscopic view to expose the tumor; D: Complete separation of the tumor under retroflexed endoscopic view in the gastric cavity; E: Closure of the wound in the gastric fundus using hemostatic clips; F: Closure of the esophageal tunnel opening; G: Post-operative tumor.