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©The Author(s) 2016.
World J Gastroenterol. Sep 14, 2016; 22(34): 7787-7796
Published online Sep 14, 2016. doi: 10.3748/wjg.v22.i34.7787
Published online Sep 14, 2016. doi: 10.3748/wjg.v22.i34.7787
Table 1 Characteristics of patients with gastric lymphomas and gastric carcinomas n (%)
Variables | Gastric lymphomas | Gastric carcinomas | P value |
Total number of patients | 52 | 73 | |
Age, yr, median (range) | 56 (8-90) | 62 (31-84) | 0.0261 |
Gender (male/female) | 29/23 | 48/25 | 0.2582 |
Histopathological subtype, n | |||
DLBCL: 33 | Mucinous: 13 | ||
MALT: 19 | Non-mucinous: 60 | ||
Stage, n | Lugano (I/II1/II2/IV) | TNM (I/II/III/IV) | 0.3263 |
19/7/2/24 | 12/18/12/31 | ||
Involved regions | |||
Cardia | 7 (13.5) | 30 (41.1) | 0.0122 |
Fundus | 16 (30.8) | 14 (19.2) | 0.2452 |
Body | 40 (76.9) | 32 (43.8) | 0.0592 |
Antrum | 28 (53.8) | 26 (35.6) | 0.2052 |
≥ 2 regions | 34 (65.38) | 20 (27.40) | 0.0092 |
THKmax, cm, mean (range) | 1.97 (0.3-6.6) | 2.00 (0.3-9.2) | 0.9134 |
Splenomegalia | 12 (23.1) | 6 (8.2) | 0.0462 |
Involved lymph nodes in retroperitoneal space below renal hilus | 15 (28.8) | 8 (11.0) | 0.0372 |
Mucosal ulceration | 18 (34.62) | 53 (72.60) | 0.0232 |
Table 2 Incidence, pattern and intensity of gastric 18F-FDG uptake in patients with gastric lymphomas and gastric carcinomas n (%)
Gastric lymphoma | Gastric carcinoma | P value | |
Presence of gastric FDG uptake | 52 (100) | 72 (98.63) | 0.9571 |
Gastric FDG uptake > liver | 49 (94.23) | 65 (89.04) | 0.8291 |
PET/CT pattern | |||
Type I | 23 (44.23) | 9 (12.33) | 0.0021 |
Type II | 22 (42.31) | 14 (19.18) | 0.0381 |
Type III | 7 (13.46) | 50 (68.49) | < 0.0011 |
SUVmax (mean ± SD) | 13.39 ± 9.24 | 8.35 ± 5.80 | < 0.0012 |
SUVmax/THKmax (mean ± SD) | 7.96 ± 4.02 | 4.88 ± 3.32 | < 0.0012 |
Table 3 Association of SUVmax with clinicopathological features among patients with gastric lymphomas
Characteristics | n | SUVmax and THKmax | SUVmax | |||
mean ± SD | P value | High (n) | Low (n) | P value | ||
Sex | ||||||
Male | 29 | 14.31 ± 9.58 | 0.4231 | 14 | 15 | 0.5102 |
Female | 23 | 12.22 ± 8.85 | 9 | 14 | ||
Age (yr) | ||||||
< mean | 22 | 12.23 ± 8.25 | 0.4461 | 10 | 12 | 0.8792 |
≥ mean | 30 | 14.23 ± 9.95 | 13 | 17 | ||
Histopathological subtype | ||||||
DLBCL | 33 | 18.41 ± 7.78 | < 0.0013 | 22 | 11 | < 0.0015 |
2.33 ± 1.434 | ||||||
MALT | 19 | 4.66 ± 2.72 | 0.5674 | 1 | 18 | |
1.36 ± 1.254 | ||||||
Lugano stage | ||||||
I | 19 | 9.97 ± 8.88 | 0.0261 | 6 | 13 | 0.2702 |
1.52 ± 1.194 | ||||||
II1/II2/IV | 33 | 15.53 ± 8.87 | 0.2444 | 17 | 16 | |
2.23 ± 1.514 |
Table 4 Association of SUVmax with clinicopathological features among patients with gastric carcinomas
Characteristics | n | SUVmax and THKmax | SUVmax | |||
mean ± SD | P value1 | High (n) | Low (n) | P value2 | ||
Sex | ||||||
Male | 48 | 7.55 ± 4.53 | 0.4572 | 15 | 33 | 0.2803 |
Female | 25 | 9.89 ± 7.54 | 11 | 14 | ||
Age (yr) | ||||||
< mean | 35 | 7.14 ± 4.56 | 0.0881 | 9 | 26 | 0.0903 |
≥ mean | 38 | 9.46 ± 6.61 | 17 | 21 | ||
Histopathological subtype | ||||||
Mucinous | 13 | 5.28 ± 2.06 | 0.0322 | 1 | 12 | 0.0465 |
1.75 ± 0.934 | ||||||
Non-mucinous | 60 | 9.02 ± 6.14 | 0.7814 | 25 | 35 | |
2.07 ± 1.374 | ||||||
TNM stage | ||||||
I/II | 30 | 5.17 ± 2.96 | < 0.0012 | 2 | 28 | < 0.0015 |
1.57 ± 0.804 | ||||||
III/IV | 43 | 10.57 ± 6.27 | 0.2074 | 24 | 19 | |
2.32 ± 1.504 |
- Citation: Li XF, Fu Q, Dong YW, Liu JJ, Song XY, Dai D, Zuo C, Xu WG. 18F-fluorodeoxyglucose positron emission tomography/computed tomography comparison of gastric lymphoma and gastric carcinoma. World J Gastroenterol 2016; 22(34): 7787-7796
- URL: https://www.wjgnet.com/1007-9327/full/v22/i34/7787.htm
- DOI: https://dx.doi.org/10.3748/wjg.v22.i34.7787