1Department of Internal Medicine, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea.
2Department of Surgery, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea.
3Department of Nuclear Medicine, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea.
© Copyright 2017. Korean Association for the Study of Intestinal Diseases.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Financial support: This work was supported by the overseas dispatch program of Chungbuk National University in 2014.
Conflict of interest: None.
CT (%) | FDG-PET/CT (%) | P-value | |
---|---|---|---|
Accuracy | 62.3 | 66.8 | 0.022 |
Sensitivity | 58.7 | 43.5 | 0.029 |
Specificity | 64.8 | 83.6 | 0.000 |
PPV | 54.5 | 65.6 | - |
NPV | 68.6 | 67.3 | - |
Parameter | Value |
---|---|
Age (yr) | 63.8±11.6 |
Sex | |
Male | 129 (58.6) |
Female | 91 (41.4) |
CEA (ng/mL) | 8.7±24.7 |
Blood sugar level (mg/dL) | 118.1±39.9 |
SUVmax | 13.7±6.9 |
Cancer size (cm3) | 25.2±30.8 |
Location | |
Ascending colon | 38 (17.3) |
Transverse colon | 21 (9.5) |
Descending colon | 9 (4.1) |
Sigmoid colon | 71 (32.3) |
Rectum | 81 (36.8) |
Right-sided vs. left-sided colon | |
Right | 59 (26.8) |
Left | 161 (73.2) |
Cell type | |
Tubular adenocarcinoma | 208 (94.5) |
Mucinous adenocarcinoma | 12 (5.5) |
Differentiation | |
Well-differentiated | 15 (6.8) |
Moderately differentiated | 193 (87.7) |
Poorly-differentiated | 12 (5.5) |
Stage | |
I | 28 (12.7) |
II | 98 (44.5) |
III | 82 (37.3) |
IV | 12 (5.5) |
Depth of invasion | |
T1 | 9 (4.1) |
T2 | 31 (14.4) |
T3 | 149 (67.7) |
T4 | 31 (14.1) |
Lymph node metastasis | |
N0 | 128 (58.2) |
N1 | 74 (33.6) |
N2 | 18 (8.2) |
Distant metastasis | |
M0 | 206 (93.6) |
M1 | 14 (6.4) |
MSI | |
MSS | 80 (36.4) |
MSI (high or low) | 14 (6.4) |
Event | |
Cancer recurrence | 32 (14.5) |
Cancer-related death | 8 (3.6) |
Values are presented as mean±SD or number (%).
SUVmax, maximum standardized uptake value; MSI, microsatellite instability; MSS, microsatellite stability.
CT (%) | FDG-PET/CT (%) | P-value | |
---|---|---|---|
Accuracy | 62.3 | 66.8 | 0.022 |
Sensitivity | 58.7 | 43.5 | 0.029 |
Specificity | 64.8 | 83.6 | 0.000 |
PPV | 54.5 | 65.6 | - |
NPV | 68.6 | 67.3 | - |
FDG, fluorodeoxyglucose; PPV, positive predictive value; NPV, negative predictive value.
CT (%) | FDG-PET/CT (%) | P-value | |
---|---|---|---|
Accuracy | 86.4 | 92.7 | 0.037 |
Sensitivity | 78.6 | 78.6 | 1.000 |
Specificity | 86.9 | 93.7 | 0.004 |
PPV | 28.9 | 45.8 | - |
NPV | 98.4 | 98.5 | - |
FDG, fluorodeoxyglucose; PPV, positive predictive value; NPV, negative predictive value.
Values are presented as mean±SD or number (%). SUVmax, maximum standardized uptake value; MSI, microsatellite instability; MSS, microsatellite stability.
FDG, fluorodeoxyglucose; PPV, positive predictive value; NPV, negative predictive value.
FDG, fluorodeoxyglucose; PPV, positive predictive value; NPV, negative predictive value.