Original Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Jul 7, 2013; 19(25): 3957-3968
Published online Jul 7, 2013. doi: 10.3748/wjg.v19.i25.3957
Table 1 Clinicopathologic characteristics in colorectal carcinoma n (%)
VariablesWMDAPDAMUASRCC
(n = 63)(n = 91)(n = 81)(n = 15)
GenderMale39 (61.9)45 (49.5)46 (56.8)6 (40.0)
Female24 (38.1)46 (50.5)35 (43.2)9 (60.0)
Age (yr)Range32-8735-9226-9030-82
Median65647170
Family history of CRCYes5 (7.9)5 (6.1)5 (6.3)2 (13.3)
No58 (92.1)77 (93.9)75 (93.7)13 (86.7)
Unknown91
LocationLeft-sided43 (68.3)38 (41.8)40 (49.4)6 (40.0)
Right-sided20 (31.7)53 (58.2)41 (50.6)9 (60.0)
DepthUp tp MP10 (15.9)4 (4.4)5 (6.2)1 (6.7)
Beyond MP53 (84.1)87 (95.6)76 (93.8)14 (93.3)
Venous invasionYes48 (76.2)77 (85.6)41 (50.6)14 (93.3)
No15 (23.8)13 (14.4)40 (49.4)1 (6.7)
Unknown1
Lymphatic invasionYes35 (55.6)82 (91.1)54 (66.7)12 (80.0)
No28 (44.4)8 (8.9)27 (33.3)3 (20.0)
Unknown1
Nodal metastasisYes34 (54.0)69 (78.4)37 (46.8)9 (64.3)
No29 (46.0)19 (21.6)42 (53.2)5 (35.7)
Unknown321
ChemotherapyYes17 (27.0)42 (53.8)31 (41.9)7 (46.7)
No46 (73.0)36 (46.2)43 (58.1)8 (53.3)
Unknown137
IrradiationYes4 (6.3)2 (2.6)3 (4.1)1 (7.1)
No59 (93.7)76 (97.4)71 (95.9)14 (92.9)
Unknown137
TNM stageI/II29 (46.0)17 (18.9)40 (50.0)4 (26.7)
III/IV34 (54.0)73 (81.1)40 (50.0)11 (73.3)
Unknown110
Table 2 Expression levels of the mucin core proteins in the adenoma carcinoma sequence
Histology
MUC2
MUC5AC
No. of patientAdenomaCarcinomaAdenomaCarcinomaP value1AdenomaCarcinomaP value1
208TVWMDA43ND41ND
225TWMDA4432
237TVWMDA4424
243TVWMDA4444
84TVPDA420.016400.042
86TVPDA4010
87TVPDA4000
102TVPDA4040
116TPDA2020
138TPDA4030
148TPDA3000
15TVMUA440.063300.016
36TVMUA4433
37TVMUA4400
51TVMUA4433
131TMUA4231
148TVMUA4240
151TVMUA4331
155TVMUA4442
175TVMUA4442
191TVMUA4330
Table 3 Expression of the mucin core proteins and clinicopathologic variables n (%)
WMDAPDAMUA
MUC2MUC2MUC2
-+P value-+P value-+P value
Median age (range), yr64 (32-82)64 (34-87)0.78364 (35-92)66.5 (55-86)0.63365 (52-88)71 (26-90)0.842
GenderMale21 (33.3)18 (28.6)0.53741 (45.1)4 (4.4)1.0001 (1.2)45 (55.6)0.311
Female11 (17.5)13 (20.6)42 (46.1)4 (4.4)3 (3.7)32 (39.5)
LocusRight-sided10 (15.9)10 (15.9)0.93247 (51.6)6 (6.6)0.4611 (1.2)40 (49.4)0.359
Left-sided22 (34.9)21 (33.3)36 (39.6)2 (2.2)3 (3.7)37 (45.7)
Venous invasionYes24 (38.1)24 (38.1)1.00071 (79.0)6 (6.6)0.3253 (3.7)38 (46.9)0.616
No8 (12.7)7 (11.1)11 (12.2)2 (2.2)1 (1.2)39 (48.1)
Lymphatic invasionYes21 (33.3)14 (22.2)0.10276 (84.4)6 (6.7)0.1481 (1.2)51 (63.0)1.000
No11 (17.5)17 (27.0)6 (6.7)2 (2.2)3 (3.7)26 (32.1)
Nodal metastasisYes20 (31.7)14 (22.2)0.16764 (72.7)5 (5.7)0.3622 (2.5)35 (44.3)1.000
No12 (19.0)17 (27.0)16 (18.2)3 (3.4)2 (2.5)40 (50.6)
TNM stageI/II12 (19.0)17 (27.0)0.16714 (15.6)3 (3.3)0.1712 (2.5)38 (48.1)1.000
III/IV20 (31.7)14 (22.2)68 (75.5)5 (5.6)2 (2.5)37 (46.8)
dMMRYesND16 (17.6)3 (3.3)0.356ND
No67 (73.6)5 (5.5)
MUC5ACMUC5ACMUC5AC
-+P value-+P value-+P value
Median age (range), yr64 (32-83)69 (47-87)0.09963 (36-87)70 (35-92)0.09667 (34-87)72 (26-90)0.061
GenderMale26 (41.3)13 (20.6)0.67722 (24.2)23 (25.3)0.91923 (28.4)23 (28.4)0.371
Female18 (28.6)6 (9.5)22 (24.2)24 (26.3)14 (17.3)21 (25.9)
LocusRight-sided10 (15.9)10 (15.9)0.41020 (22.0)33 (36.3)0.01712 (14.8)29 (35.8)0.003
Left-sided34 (54.0)9 (14.3)24 (26.4)14 (15.4)25 (30.9)15 (18.5)
Venous invasionYes34 (54.0)14 (22.2)0.75738 (42.2)39 (43.3)1.00016 (19.8)25 (30.9)0.224
No10 (15.9)5 (7.9)6 (6.7)7 (7.8)21 (25.9)19 (23.5)
Lymphatic invasionYes26 (41.3)9 (14.3)0.56041 (45.6)41 (45.6)0.71425 (30.9)29 (35.8)0.875
No18 (28.6)10 (15.9)3 (3.3)5 (5.6)12 (14.8)15 (18.5)
Nodal metastasisYes23 (36.5)11 (17.5)0.89240 (45.5)29 (33.0)0.01017 (21.5)20 (25.3)0.950
No21 (33.3)8 (12.7)4 (4.5)15 (17.0)19 (24.1)23 (29.1)
TNM stageI/II21 (33.3)8 (12.7)0.8923 (3.3)14 (15.6)0.01018 (22.8)22 (27.8)0.918
III/IV23 (36.5)11 (17.5)41 (45.6)32 (35.6)18 (22.8)21 (26.6)
dMMRYesND3 (3.3)16 (17.6)0.003ND
No41 (45.1)31 (34.1)
Table 4 Prognostic significance of clinicopathologic variables in well-to-moderately differentiated adenocarcinoma and poorly differentiated adenocarcinoma
Recurrence/metastasis
Death
ParameterHR (95%CI)P valueParameterHR (95%CI)P value
WMDAUnivariate analysisUnivariate analysis
Age (over 65 yr)2.215 (0.974-5.037)0.058Age (over 65 yr)1.984 (0.794-4.955)0.142
Gender (male)0.887 (0.398-1.975)0.769Gender (male)2.194 (0.727-6.617)0.163
Location (right-sided)1.268 (0.559-2.875)0.570Location (right-sided)1.335 (0.524-3.402)0.545
TNM stage (III/IV)3.642 (1.446-9.170)0.006TNM stage (III/IV)2.632 (0.990-6.996)0.052
MUC2 positive0.477 (0.210-1.082)0.077MUC2 positive0.527 (0.207-1.341)0.179
MUC5AC positive1.389 (0.613-3.145)0.431MUC5AC positive1.803 (0.723-4.497)0.206
Multivariate analysisMultivariate analysis
Age (over 65 yr)2.220 (0.965-5.017)0.061
TNM stage (III/IV)3.473 (1.370-8.805)0.009
MUC2 positive0.554 (0.243-1.265)0.161
PDAUnivariate analysisUnivariate analysis
Age (over 65 yr)0.891 (0.495-1.602)0.700Age (over 65 yr)0.985 (0.955-1.016)0.331
Gender (male)0.624 (0.343-1.138)0.124Gender (male)0.899 (0.484-1.667)0.734
Location (right-sided)0.857 (0.474-1.549)0.609Location (right-sided)0.686 (0.371-1.270)0.231
TNM stage (III/IV)2.647 (1.109-6.320)0.028TNM stage (III/IV)3.208 (1.236-8.330)0.017
MUC2 positive0.936 (0.368-2.379)0.890MUC2 positive1.009 (0.357-2.850)0.987
MUC5AC positive0.433 (0.237-0.793)0.007MUC5AC positive0.599 (0.323-1.112)0.105
dMMR0.373 (0.164-0.847)0.018dMMR0.352 (0.153-0.810)0.014
Multivariate analysisMultivariate analysis
TNM stage (III/IV)1.698 (0.672-4.289)0.263TNM stage (III/IV)2.385 (0.886-6.421)0.085
MUC5AC positive0.586 (0.307-1.117)0.104dMMR0.466 (0.195-1.111)0.085
dMMR0.228 (0.260-1.308)0.175