Research Article
Comparison of Diagnostic Accuracies of Various Endoscopic Examination Techniques for Evaluating the Invasion Depth of Colorectal Tumors
Table 1
Clinical characteristics of the study subjects.
| Histology | | Adenoma | 44 (26%) | M ca† | 66 (39%) | SM-S ca‡ | 15 (9%) | SM-M ca¶ | 39 (23%) | MP ca# or over | 4 (3%) | Location | | Rectum | 74 (44%) | Sigmoid | 34 (20%) | Descending | 10 (6%) | Transverse | 21 (13%) | Ascending | 20 (12%) | Cecum | 9 (5%) | Morphology | | Protruded | 20 (12%) | Superficial | 13 (8%) | LST* granular | 57 (34%) | LST* nongranular | 74 (44%) | Others | 4 (2%) | Size (mm) | | ~9 | 14 (8%) | 10~19 | 55 (33%) | 20~ | 82 (49%) | unknown | 17 (10%) |
|
|
†M ca: mucosal cancer, ‡SM-S ca: submucosal slight invaded cancer. ¶SM-M ca: submucosal massive invaded cancer. #MP ca: muscularis propria invaded cancer, *LST: laterally spreading tumor.
|