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©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Sep 7, 2012; 18(33): 4578-4584
Published online Sep 7, 2012. doi: 10.3748/wjg.v18.i33.4578
Published online Sep 7, 2012. doi: 10.3748/wjg.v18.i33.4578
Table 1 Endoscopic and pathologic characteristics of endoscopic submucosal dissection groups
Groups | Absolute (n = 100) | Expanded (n = 248) | P value |
Age (yr), mean (range) | 62.2 (33-86) | 62.9 (33-91) | 0.589 |
Male (%) | 70 (70) | 189 (76.2) | 0.277 |
Location (%) | 0.183 | ||
Upper | 3 (3) | 21 (8.5) | |
Middle | 31 (31) | 69 (27.8) | |
Lower | 66 (66) | 158 (63.7) | |
Macroscopic type (%) | < 0.001 | ||
Elevated | 59 (59) | 56 (22.6) | |
Flat/depressed | 36 (36) | 131 (52.8) | |
Mixed | 5 (5) | 61 (24.6) | |
Endoscopic ulcer (%) | < 0.001 | ||
Present | 0 (0) | 161 (64.9) | |
Absent | 100 (100) | 87 (35.1) | |
Resection (%) | 0.053 | ||
En-bloc | 100 (100) | 234 (94.4) | |
Complete reconstruction | 0 (0) | 8 (3.2) | |
≥ 3 piecemeal | 0 (0) | 6 (2.4) | |
Histology (%) | 0.069 | ||
Differentiated | 100 (100) | 238 (96) | |
Undifferentiated | 0 (0) | 10 (4) | |
Depth (%) | < 0.001 | ||
M2 | 59 (59) | 89 (35.9) | |
M3 | 41 (41) | 131 (52.8) | |
SM1 | 0 (0) | 28 (11.3) | |
Tumor size (mean, range) | 11.4 (2-20) | 21.2 (3-86) | < 0.001 |
≤ 20 mm (%) | 100 (100) | 131 (52.8) | |
> 20 mm (%) | 0 (0) | 117 (47.2) | |
Lateral margin (%) | < 0.001 | ||
Positive | 0 (0) | 24 (9.7) | |
Negative | 100 (100) | 224 (90.3) | |
Vertical margin (%) | 0.500 | ||
Positive | 0 (0) | 2 (0.8) | |
Negative | 100 (100) | 246 (99.2) | |
Phenotype (%) | 0.312 | ||
Gastric | 24 (24) | 66 (26.6) | |
Intestinal | 31 (31) | 92 (37) | |
Mixed | 45 (45) | 90 (36.3) | |
VEGF (%) | 0.096 | ||
Positive | 79 (79) | 72 (29) | |
Negative | 21 (21) | 176 (71) | |
High MVD/LVD (%) | 0.116 | ||
Positive | 16 (16) | 59 (23.8) | |
Negative | 84 (84) | 189 (76.2) | |
LVI HES | 0.713 | ||
Positive | 0 (0) | 1 (0.4) | |
Negative | 100 (100) | 247 (99.6) | |
LVI IHCS | 0.038 | ||
Positive | 0 (0) | 11 (4.4) | |
Negative | 100 (100) | 237 (95.6) |
Table 2 Subgroup analysis in the expanded indication groups
Group 1 (n = 71) | Group 2 (n = 140) | Group 3 (n = 27) | Group 4 (n = 10) | P value | |
Age > 60 (yr, %) | 44 (62) | 82 (58.6) | 21 (77.8) | 6 (60) | 0.502 |
Male (%) | 56 (78.9) | 104 (74.3) | 24 (88.9) | 5 (50) | 0.455 |
Location (%) | 0.730 | ||||
Upper + corpus | 19 (26.8) | 15 (10.7) | 11 (40.7) | 1 (10) | |
Lower + angle | 52 (73.2) | 125 (89.3) | 16 (59.3) | 9 (90) | |
Macroscopic type (%) | < 0.001 | ||||
Elevated | 45 (63.4) | 4 (2.9) | 4 (14.8) | 3 (30) | |
Flat/depressed | 26 (36.6) | 136 (97.1) | 23 (85.2) | 7 (70) | |
Endoscopic ulcer (%) | < 0.001 | ||||
Present | 0 (0) | 140 (100) | 20 (74.1) | 1 (10) | |
Absent | 71 (100) | 0 (0) | 7 (25.9) | 9 (90) | |
Resection, piece (%) | 0.177 | ||||
≤ 2 | 68 (95.8) | 137 (97.9) | 27 (100) | 10 (100) | |
≥ 3 | 3 (4.2) | 3 (2.1) | 0 (0) | 0 (0) | |
Depth (%) | 0.003 | ||||
M2 | 33 (46.5) | 52 (37.1) | 0 (0) | 4 (40) | |
M3 + SM1 | 38 (53.5) | 88 (62.9) | 27 (100) | 6 (60) | |
Tumor size, mm (%) | < 0.001 | ||||
≤ 20 | 0 (0) | 105 (75) | 16 (59.3) | 10 (100) | |
> 20 | 71(100) | 35 (25) | 11 (40.7) | 0 (0) | |
Lateral margin (%) | 0.091 | ||||
Positive | 10 (14.1) | 11 (7.9) | 1 (3.7) | 2 (20) | |
Negative | 61 (85.9) | 129 (92.1) | 26 (96.3) | 8 (80) | |
Vertical margin (%) | 0.170 | ||||
Positive | 2 (2.8) | 0 (0) | 0 (0) | 0 (0) | |
Negative | 69 (97.2) | 140 (100) | 27 (100) | 10 (100) | |
Phenotype (%) | 0.107 | ||||
Intestinal | 31 (43.7) | 50 (35.7) | 9 (33.3) | 2 (20) | |
Non-intestinal | 40 (56.3) | 90 (64.3) | 18 (66.7) | 8 (80) | |
VEGF (%) | 0.003 | ||||
Positive | 17 (23.9) | 34 (24.3) | 16 (59.3) | 5 (50) | |
Negative | 54 (76.1) | 106 (75.7) | 11 (40.7) | 5 (50) | |
High LVD/MVD (%) | < 0.001 | ||||
Positive | 11 (15.5) | 26 (18.6) | 16 (59.3) | 6 (60) | |
Negative | 60 (84.5) | 114 (81.4) | 11 (40.7) | 4 (40) | |
LVI HES | 0.005 | ||||
Positive | 0 (0) | 0 (0) | 0 (0) | 1 (10) | |
Negative | 71 (100) | 140 (100) | 27 (100) | 9 (90) | |
LVI IHCS | < 0.001 | ||||
Positive | 1 (1.4) | 1 (0.7) | 7 (25.9) | 2 (20) | |
Negative | 70 (98.6) | 139 (99.3) | 20 (74.1) | 8 (80) |
Table 3 Comparison of lymphovascular invasion hematoxylin-eosin staining and lymphovascular invasion immunohistochemical staining groups
ESD indication | LVI IHCS | Total | P value | |||
Negative | Positive | |||||
Absolute | LVI HES | Negative | 100 | 0 | 100 | |
Positive | 0 | 0 | 0 | |||
Total | 100 | 0 | 100 | |||
Expanded | LVI HES | Negative | 237 | 10 | 247 | 0.044 |
Positive | 0 | 1 | 1 (0.4%) | |||
Total | 237 | 11 (4.4%) | 248 |
Table 4 Comparison of lymphovascular invasion by immunohistochemical stain negative and positive group
LVI IHCS | P value | ||
Negative (n = 237) | Positive (n = 11) | ||
Age, yr (%) | 62.6 ± 9.9 | 69.4 ± 10.2 | 0.054 |
≤ 60 | 92 (38.8) | 3 (27.3) | |
> 60 | 145 (61.2) | 8 (72.7) | |
Male (%) | 182 (76.8) | 7 (63.6) | 0.297 |
Location (%) | 0.667 | ||
Upper + corpus | 44 (18.6) | 2 (18.2) | |
Lower + angle | 193 (81.4) | 9 (81.8) | |
Macroscopic type (%) | 0.715 | ||
Elevated | 53 (22.4) | 3 (27.3) | |
Flat/depressed | 184 (77.6) | 8 (72.7) | |
Endoscopic ulcer (%) | 0.524 | ||
Present | 155 (65.4) | 6 (54.5) | |
Absent | 82 (34.6) | 5 (45.5) | |
Resection, piece (%) | 0.760 | ||
≤ 2 | 231 (97.5) | 11 (100) | |
≥ 3 | 6 (2.5) | 0 (0.0) | |
Histology (%) | 0.066 | ||
Differentiated | 229 (96.6) | 9 (81.8) | |
Undifferentiated | 8 (3.4) | 2 (18.2) | |
Depth (%) | 0.009 | ||
M2 | 89 (37.6) | 0 (0) | |
M3 + SM1 | 148 (62.4) | 11 (100) | |
Tumor size, mm (%) | 21.2 ± 12.8 | 21.2 ± 16.7 | 0.986 |
≤ 20 | 125 (52.7) | 6 (54.5) | |
> 20 | 112 (47.3) | 5 (45.5) | |
Lateral margin (%) | 0.289 | ||
Positive | 22 (9.3) | 2 (18.2) | |
Negative | 215 (90.7) | 9 (81.8) | |
Vertical margin (%) | 0.913 | ||
Positive | 2 (0.8) | 0 (0) | |
Negative | 235 (99.2) | 11 (100) | |
Phenotype (%) | 0.751 | ||
Intestinal | 89 (37.6) | 3 (27.3) | |
Non-intestinal | 148 (62.4) | 8 (72.7) | |
VEGF (%) | < 0.001 | ||
Positive | 62 (26.2) | 10 (90.9) | |
Negative | 175 (73.8) | 1 (9.1) | |
High LVD/MVD (%) | < 0.001 | ||
Positive | 48 (20.3) | 11 (100) | |
Negative | 189 (79.7) | 0 (0.0) |
Table 5 Clinicopathological characteristics of the five patients who underwent surgical resection after endoscopic submucosal dissection
Sex/age (yr) | Type | Site | Ulcer | Pathology | Size (mm) | LM/VM | Depth | LVI HES | LVI IHCS | Residual tumor | LN |
Female/67 | IIc | Lower | - | MD | 30 | -/+ | M | - | - | + | - |
Male/74 | III | Middle | + | WD | 14 | +/- | M | + | + | - | - |
Female/64 | III | Middle | + | MD | 19 | +/- | M | - | - | - | - |
Female/54 | I | Middle | - | MD | 68 | +/- | M | - | + | + | - |
Male/35 | I | Middle | - | MD | 22 | -/- | M | - | - | - | - |
- Citation: Jeon SR, Cho JY, Bok GH, Lee TH, Kim HG, Cho WY, Jin SY, Kim YS. Does immunohistochemical staining have a clinical impact in early gastric cancer conducted endoscopic submucosal dissection? World J Gastroenterol 2012; 18(33): 4578-4584
- URL: https://www.wjgnet.com/1007-9327/full/v18/i33/4578.htm
- DOI: https://dx.doi.org/10.3748/wjg.v18.i33.4578