Table 4.
Endoscopic Submucosal Dissection Histopathology
| ESD histopathology | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Esophagus | n | Stomach | N | Duodenum | n | Colon | N | Rectum | n |
| Nondysplastic esophageal mucosa | 2 | Nondysplastic gastric mucosa | 7 | Gastrinoma | 1 | Nondysplastic colon mucosa | 7 | Nondysplastic colon mucosa | 1 |
| Nondysplastic BE | 8 | Hyperplastic | 9 | Lipoma | 1 | Inflammatory polyp | 1 | Adenoma with LGD | 71 |
| BE with LGD | 5 | Pancreatic heterotopia | 1 | Adenoma with LGD | 5 | Adenoma with LGD | 102 | Adenoma with HGD | 47 |
| BE with HGD | 32 | Adenoma with LGD | 18 | Carcinoid | 4 | Adenoma with HGD | 59 | Intramucosal adenocarcinoma | 17 |
| Intramucosal adenocarcinoma | 59 | Adenoma with HGD | 12 | Intramucosal adenocarcinoma | 6 | Invasive adenocarcinoma | 20 | ||
| Invasive adenocarcinoma | 61 | Intramucosal adenocarcinoma | 23 | Invasive adenocarcinoma | 7 | Sessile serrated adenoma | 5 | ||
| Intramucosal SCC | 1 | Invasive adenocarcinoma | 16 | Sessile serrated adenoma | 22 | Condyloma | 1 | ||
| Invasive SCC | 2 | Carcinoid | 13 | Hyperplastic polyp | 14 | Lipoma | 1 | ||
| Leiomyoma | 1 | Leiomyoma | 1 | ||||||
| Granular cell tumor | 3 | Metastatic lung adenocarcinoma | 1 | ||||||
| Melanoma | 1 | ||||||||
BE, Barrett’s esophagus; HGD, high-grade dysplasia; LGD, low-grade dysplasia; SCC, squamous cell cancer.