Table 6 Surgeons’ knowledge and opinion about the diagnosis of PC
Diagnosis of Pancreatic Cancer | Agree (%) | Disagree (%) | Unsure (%) | Missing (%) | |
|---|---|---|---|---|---|
Candidate tumor marker | CEA | 412(58.4) | 193(27.4) | 15(2.1) | 85(12.1) |
CA19–9 | 634(89.9) | 50(7.1) | 2(0.3) | 19(2.7) | |
CA242 | 313(44.4) | 213(30.2) | 18(2.6) | 161(22.8) | |
Ultrasonograph (US) | Can be used to judge tumor size as the first line test | 630(89.4) | 57(8.1) | 0(0.0) | 18(2.6) |
has a high accuracy to detect PC less than 1 cm | 171(24.3) | 473(67.1) | 6(0.9) | 55(7.8) | |
Low echoic mass is a sign of PC | 560(79.4%) | 100(14.2) | 1(0.1) | 44(6.2) | |
Dilatation of the pancreatic duct is a sign of PC | 463(65.7) | 165(23.4) | 4(0.6) | 73(10.4) | |
Dilatation of the common bile duct is a sign of PC | 549(77.9) | 98(13.9) | 4(0.6) | 54(7.7) | |
CT | Plain CT can be used to judge the location, size and boundary of the tumor | 492(69.8) | 163(23.1) | 1(0.1) | 49(7.0) |
Enhanced CT has a high accuracy to detect tumors <3 cm | 604(85.7) | 80(11.4) | 3(0.4) | 18(2.6) | |
Can judge the extension of pancreatic cancer accurately | 528(74.9) | 109(15.5) | 17(2.4) | 51(7.2) | |
Enhanced CT combined with 3-demension reconstruction of blood vessels is the best method to determine resectability | 621(88.1) | 46(6.5) | 15(2.1) | 23(3.3) | |
MRI | MRI is better than CT to detect and stage PC | 328(46.5) | 229(32.5) | 1(0.1) | 147(20.9) |
Good for detection of peripancreatic and lymphatic invasion | 514(72.9) | 133(18.9) | 1(0.1) | 57(8.1) | |
PET | A promising modality to differentiate malignant from benign lesions | 483(68.5) | 145(20.6) | 2(0.3) | 75(10.6) |
Can be used to judge the presence or absence of distant metastases | 600(85.1) | 78(11.1) | 1(0.1) | 26(3.7) | |
High accuracy for resectability | 365(51.8) | 238(33.8) | 2(0.3) | 100(14.2) | |
pancreascopy | Best indicated for those could not be diagnosed by ERCP | 520(73.8) | 116(16.5) | 3(0.4) | 66(9.4) |
Good for early detection of PC | 528(74.9) | 131(18.6) | 3(0.4) | 43(6.1) | |
Can be used to perform biopsy and cytology | 605(85.8) | 71(10.1) | 5(0.7) | 24(3.4) | |