The incidental upper gastrointestinal subepithelial mass

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The incidental upper gastrointestinal subepithelial mass Joo Ha Hwang, Michael B. Kimmey  Gastroenterology  Volume 126, Issue 1, Pages 301-307 (January 2004) DOI: 10.1053/j.gastro.2003.11.040

Figure 1 Small esophageal subepithelial mass identified using a 20 MHz catheter probe. The cross-sectional diameter is 5 mm. The lesion (L) is homogeneous, hypoechoic, and confined to the 2nd and 3rd US layer [deep mucosa and submucosa (SM)] without extension into the muscularis propria (MP). The lesion was removed by endoscopic submucosal resection and identified as an esophageal leiomyoma by histology and immunocytochemistry. Gastroenterology 2004 126, 301-307DOI: (10.1053/j.gastro.2003.11.040)

Figure 2 Radial scanning EUS image of a GIST located in the 4th US layer corresponding to the muscularis propria (arrow). Marks on image represent size measurements of the tumor (17×33 mm). Gastroenterology 2004 126, 301-307DOI: (10.1053/j.gastro.2003.11.040)

Figure 3 Radial scanning EUS image of an esophageal duplication cyst (C). The lesion is anechoic and located within the esophageal wall at the level of the descending aorta (Ao) and left atrium (LA). Gastroenterology 2004 126, 301-307DOI: (10.1053/j.gastro.2003.11.040)

Figure 4 Radial scanning EUS image of a lipoma (arrow). The mass is intensely echogenic and located in the 3rd US layer (submucosa). Gastroenterology 2004 126, 301-307DOI: (10.1053/j.gastro.2003.11.040)

Figure 5 EUS-guided FNA of a hypoechoic mass (large arrow) located in the 4th US layer (muscularis propria). Small arrows points to the FNA needle which has been inserted into the tumor. Immunocytochemistry was positive for CD-117 staining, diagnostic of a GIST. Gastroenterology 2004 126, 301-307DOI: (10.1053/j.gastro.2003.11.040)