Clinical Study
Endoscopic Submucosal Dissection for Early Colorectal Neoplasms: Clinical Experience in a Tertiary Medical Center in Taiwan
Table 1
Patient characteristics (
).
| | | Total () |
| | Age (years) | 66.3 ± 12.9 | | Gender, (%) | | | Male | 59 (64.1) | | Female | 33 (35.9) | | Tumor size (mm) | 37.2 ± 17.9 | | Tumor location, (%) | | | Cecum | 8 (8.7) | | Right colon | 44 (47.8) | | Left colon | 17 (18.5) | | Rectum | 23 (25.0) | | Macroscopic type, (%) | | | LST-NG | 35 (38.0) | | LST-G | 50 (54.3) | | Submucosal tumor | 7 (7.6) | | Histology, (%) | | | Carcinoid tumor | 5 (5.4) | | Lipoma | 2 (2.2) | | Adenoma, high grade dysplasia | 39 (42.4) | | Adenocarcinoma sm1 | 5 (5.4) | | Adenocarcinoma sm2 | 5 (5.4) | | Adenocarcinoma mp | 4 (4.4) | | Adenocarcinoma m | 32 (34.8) | | Nonlifting sign, (%) | | | Negative | 73 (79.3) | | Positive | 19 (20.7) | | Previous biopsy, (%) | | | Negative | 63 (68.5) | | Positive | 29 (31.5) | | Procedure time (minutes) | 59.0 ± 36.7 |
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m: intramucosal cancer; sm1: submucosal invasion <1000 m; sm2: submucosal invasion ≥1000 m; mp: muscularis propriae invasion; LST-NG: laterally spreading tumors-nongranular type; LST-G: laterally spreading tumors-granular type.
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