Table 2 Tumor characteristics among the three groups
From: Comparison of advanced techniques for local excision of rectal lesions: a case series
TEM (n = 13) | TAMIS (n = 6) | R-TAMIS (n = 10) | ||
|---|---|---|---|---|
Variables | Median (IQR) or Frequency (%) | Median (IQR) or Frequency (%) | Median (IQR) or Frequency (%) | P-value |
Degree of dysplasia | 0.29 | |||
Benign/LGD | 7 (58.3) | 1 (20.0) | 2 (33.3) | |
HGD/Invasive | 5 (41.7) | 4 (80.0) | 4 (66.7) | |
Tumor pathology | 0.21 | |||
Adenocarcinoma | 4 (40.0) | 1 (20.0) | 3 (42.9) | |
Tubular Adenoma | 4 (40.0) | 1 (20.0) | 4 (42.9) | |
HSIL/SIL | 0 (0.0) | 2 (40.0) | 0 (0.0) | |
Neuroendocrine | 1 (10.0) | 1 (20.0) | 0 (0.0) | |
Serrated adenoma | 1 (10.0) | 0 (0.0) | 0 (0.0) | |
Villous adenoma | 0 (0.0) | 0 (0.0) | 1 (10.0) | |
Benign polyp/nodule | 1 (10.0) | 0 (0.0) | 0 (0.0) | |
Tumor location | 0.09 | |||
Anterior | 4 (30.8) | 0 (0.0) | 1 (10.0) | |
Lateral | 4 (30.8) | 3 (75.0) | 3 (30.0) | |
Posterior | 4 (30.8) | 0 (0.0) | 6 (60.0) | |
Anterior/Posterior + Lateral | 1 (7.7) | 1 (25.0) | 0 (0.0) | |
Distance from anal verge (cm) | 5 (4–8) | 6 (6–8) | 8 (7–10) | 0.27 |
Positive margins | 3 (23.1) | 1 (16.7) | 0 (0.0) | 0.28 |