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%) |
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†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.
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