Background
Methods
Endoscopic examination
Pathological examination
Evaluation
Statistical analysis
Results
Variables | Epithelial serration |
p-value | |
---|---|---|---|
Present (n = 17) | Absent (n = 23) | ||
Sex (male/female) | 9/8 | 14/9 | N.S. |
Average age (years) | 70.5 | 68.5 | N.S. |
Location (proximal colon/distal colon/rectum) | 8/1/8 | 8/1/14 | N.S. |
Average size (mm) | 27.6 | 43.1 | <0.05 |
Invasion depth (Tis/T1) | 5/12 | 20/3 | <0.05 |
Variables | Epithelial serration |
p-value | |
---|---|---|---|
Present (n = 17) | Absent (n = 23) | ||
Color | |||
Same as normal mucosa | 8 (47) | 4 (17) | <0.05 |
Discolored | 1 (6) | 4 (17) | N.S. |
Reddish | 8 (47) | 15 (66) | N.S. |
Macroscopic type | |||
Protruded | 14 (82) | 20 (87) | N.S. |
Superficial | 3 (18) | 3 (13) | N.S. |
Pinecone like findings (+) | 2 (12) | 6 (26) | N.S. |
Varicose microvesicular (+) | 3 (18) | 1 (4) | N.S. |
Epithelial serration | JNET classification | |||
---|---|---|---|---|
1 | 2A | 2B | 3 | |
Present (n = 17) | 1 (6) | 6 (35) | 7 (41) | 3 (18)a
|
Absent (n = 23) | 1 (4) | 13 (57) | 9 (39) | 0 (0)b
|
Total (n = 40) | 2 (5) | 19 (48) | 16 (40) | 3 (7) |
Epithelial serration | Pit pattern | ||||
---|---|---|---|---|---|
II | Open-II | IIIL
| IV | V | |
Present (n = 17) | 0 (0) | 1 (6) | 2 (12) | 2 (12)a
| 12 (70)c
|
Absent (n = 23) | 1 (4) | 0 (0) | 3 (13) | 10 (44)b
| 9 (39)d
|
Total (n = 40) | 1 (3) | 1 (3) | 5 (13) | 12 (30) | 21 (53) |
Size (mm) | Epithelial serration |
p-value | |
---|---|---|---|
Present (n = 17) | Absent (n = 23) | ||
<10 | 0% (0/0) | 0% (0/1) | N.S. |
11–20 | 67% (4/6) | 17% (1/6) | N.S. |
>20 | 73% (8/11) | 13% (2/16) | <0.05 |
Total | 70% (12/17) | 13% (3/23) | <0.05 |
Variables | TSA (n = 27) | SSA/P (n = 5) | Unclassified (n = 5) | Non-serrated adenoma (n = 3) |
---|---|---|---|---|
Sex (male/female) | 16/11 | 3/2 | 3/2 | 1/2 |
Average age (years) | 69.1 | 69.0 | 68.6 | 73.3 |
Location (proximal colon/distal colon/rectum) | 7/1/19 | 5/0/0 | 2/1/2 | 2/0/1 |
Average size (mm) | 42.6a
| 17.2b
| 34.0 | 18.3c
|
Invasion depth (Tis/T1) | 24/3d
| 1/4e
| 0/5f
| 0/3g
|
Epithelial serration (+/−) | 6/21 | 3/2 | 5/0 | 3/0 |
Case No. | Sex | Age (decade years) | Location | Size (mm) | Epithelial serration | Serrated adenoma | SM invasion depth (μm) | Budding grade | Vessel invasion | Lymph node metastasis |
---|---|---|---|---|---|---|---|---|---|---|
1. | Female | 50s | C/C | 30 | + | + | 200 | 1 | ly0, v0 | – |
2. | Female | 70s | Rb | 40 | + | + | 1000 | 2 | ly0, v0 | – |
3. | Male | 70s | Rb | 40 | + | + | 1100 | 3 | ly0, v0 | – |
4. | Male | 70s | D/C | 30 | + | + | 1400 | 2 | ly0, v0 | – |
5. | Male | 60s | C/C | 10 | + | + | 1500 | 1 | ly0, v0 | – |
6. | Male | 60s | A/C | 30 | + | + | 1500 | 1 | ly3, v1 | + |
7. | Female | 80s | C/C | 20 | + | + | 1500 | 1 | ly0, v0 | – |
8. | Male | 70s | A/C | 15 | + | – | 1900 | 3 | ly1, v1 | – |
9. | Female | 80s | C/C | 10 | + | – | 2000 | 3 | ly0, v0 | – |
10. | Female | 60s | Ra | 30 | + | – | 2500 | 3 | ly3, v0 | + |
11. | Female | 80s | Rb | 50 | + | + | 2600 | 1 | ly1, v0 | – |
12. | Male | 60s | T/C | 30 | + | + | 3000 | 1 | ly0, v0 | – |
13. | Male | 60s | A/C | 20 | – | + | 170 | 1 | ly0, v0 | – |
14. | Male | 50s | Rb | 90 | – | + | 3000 | 3 | ly0, v0 | – |
15. | Male | 50s | Ra | 40 | – | + | 5200 | 2 | ly0, v0 | – |