Copyright
©The Author(s) 2018.
World J Gastroenterol. Apr 21, 2018; 24(15): 1632-1640
Published online Apr 21, 2018. doi: 10.3748/wjg.v24.i15.1632
Published online Apr 21, 2018. doi: 10.3748/wjg.v24.i15.1632
Table 1 Study demographics and clinicopathologic characteristics n (%)
| Characteristics | Value |
| Number of patients | 70 |
| Number of lesions | 96 |
| Age, mean ± SD (range), yr | 67 ± 10 (43-87) |
| Sex | |
| Male | 59 (84) |
| Female | 11 (16) |
| Location of the tumor in the esophagus | |
| Upper one-third | 11 (11) |
| Middle one-third | 53 (55) |
| Lower one-third | 33 (34) |
| Gross appearance | |
| Depressed | 86 (90) |
| Elevated | 7 (7) |
| Flat | 2 (2) |
| Mixed | 1 (1) |
| Resected specimen size, mean ± SD (range), mm | 33 ± 14 (9-75) |
| Resected tumor size, mean ± SD (range), mm | 24 ± 13 (1-64) |
| Luminal extent | |
| < 1/2 | 59 (61) |
| ≥ 1/2, < 2/3 | 20 (21) |
| ≥ 2/3 | 17 (18) |
| Histopathologic features | |
| Dysplasia/intraepithelial neoplasia | 21 (22) |
| Squamous cell carcinoma | 75 (78) |
| Epithelial lining | 15 (20) |
| Lamina propria mucosae | 31 (41) |
| Muscularis mucosae | 13 (17) |
| Submucosa (SM1) | 2 (3) |
| Submucosa (SM2 or deeper) | 14 (19) |
- Citation: Kuwai T, Yamaguchi T, Imagawa H, Miura R, Sumida Y, Takasago T, Miyasako Y, Nishimura T, Iio S, Yamaguchi A, Kouno H, Kohno H, Ishaq S. Endoscopic submucosal dissection for early esophageal neoplasms using the stag beetle knife. World J Gastroenterol 2018; 24(15): 1632-1640
- URL: https://www.wjgnet.com/1007-9327/full/v24/i15/1632.htm
- DOI: https://dx.doi.org/10.3748/wjg.v24.i15.1632