Endoscopic Esophageal Submucosal Tunnel Dissection for Cystic Lesions Originating from the Muscularis Propria of the Gastric Cardia

Figure 2

Endoscopic ultrasonography showing a mass-like lesion with outward growing muscularis propria. Heterogeneous and dense punctate hyperechoic foci were found in the lesions, the thick borders were clear, and it showed echo signals like muscle.