Retrospective Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Mar 14, 2015; 21(10): 2988-2996
Published online Mar 14, 2015. doi: 10.3748/wjg.v21.i10.2988
Table 1 Patients characteristics n (%)
Characteristics
Sex
Male45 (64.3 )
Female25 (35.7 )
Median age57 (13-81)
Final diagnosis
Malignancy50 (71.4)
Duct adenocarcinoma37
Cystadenocarcinoma4
Adenosquamous Carcinoma3
Metastatic tumor1
Lymphoma2
Neuroendocrine carcinoma3
Benign20 (28.6)
Chronic pancreatitis8
Tubercle1
Autoimmune pancreatitis2
Cystadenoma/IPMN7
Neuroendocrine neoplasm2
Table 2 Performances of contrast-enhanced computed tomography, positron emission tomography/computed tomography, and positron emission tomography/contrast-enhanced computed tomography fusion images in diagnosing malignant pancreatic tumors
SENSPEPPVNPVACCKappa
CECT82.0%65.0%85.4%59.1%77.1%0.456
PET/CT92.0%65.0%86.8%76.5%84.2%0.597
PET/CECT96.0%90.0%96.0%90.0%94.3%0.860
PET/CT vs CECTχ2 = 2.210χ2 = 0.000χ2 = 0.04χ2 = 1.303χ2 = 1.147
P = 0.137P = 1.000P = 1.303P = 0.254P = 0.284
PET/CECT vs PET/CTχ2 = 0.709χ2 = 3.584χ2 = 2.735χ2 = 1.238χ2 = 3.659
P = 0.400P = 0.058P = 0.098P = 0.266P = 0.056
PET/CECT vs CECTχ2 = 5.005χ2 = 3.584χ2 = 3.289χ2 = 5.177χ2 = 8.400
P = 0.025P = 0.580P = 0.070P = 0.023*P = 0.004
Table 3 Performances of contrast-enhanced computed tomography, positron emission tomography/computed tomography, and positron emission tomography/contrast-enhanced computed tomography fusion images in the stage assessments of pancreatic cancer n (%)
Peripancreatic vessel invasion
Regional lymph node metastasis
Distant metastasis
SENSPEPPVNPVACCSENSPEPPVNPVACCSENSPEPPVNPVACC
CECT14 (93.3)15 (93.8)14 (93.3)15 (93.8)29 (93.5)12 (63.2)11 (91.7)12 (92.3)11 (61.1)23 (74.2)10 (58.8)33 (100)10 (100)33 (82.5)43 (86.0)
Routine PET/CT4 (26.7)12 (75.0)4 (50)12 (52.2)16 (51.6)15 (78.9)10 (83.3)15 (88.2)10 (71.4)25 (80.6)14 (82.4)30 (90.9)14 (82.4)30 (90.9)44 (88)
PET/CECT14 (93.3)15 (93.8)14 (93.3)15 (93.8)29 (93.5)17 (89.5)11 (91.7)17 (94.4)11 (84.6)28 (90.3)16 (94.1)32 (97.0)16 (94.1)32 (97.0)48 (96.0)
PET/CECT vs PET/CTχ2 = 13.889 P = 0.001χ2 = 2.133 P = 0.144χ2 = 5.759 P = 0.016χ2 = 7.657 P = 0.006χ2 = 13.697 P = 0.001χ2 = 0.792 P = 0.374χ2 = 0.381 P = 0.537χ2 = 0.430 P = 0.512χ2 = 0.678 P = 0.410χ2 = 1.170 P = 0.279χ2 = 1.133 P = 0.287χ2 = 1.065 P = 0.302χ2 = 1.133 P = 0.287χ2 = 1.065 P = 0.302χ2 = 2.174 P = 0.140
PET/CECT vs CECTχ2 = 0.000 P = 1.000χ2 = 0.000 P = 1.000χ2 = 0.000 P = 1.000χ2 = 0.000 P = 1.000χ2 = 0.000 P = 1.000χ2 = 3.640 P = 0.056χ2 = 0.000 P = 1.000χ2 = 0.057 P = 0.811χ2 = 2.024 P = 0.155χ2 = 2.763 P = 0.096χ2 = 5.885 P = 0.015χ2 = 1.015 P = 0.314χ2 = 0.611 P = 0.434χ2 = 3.880 P = 0.049χ2 = 3.053 P = 0.081