Table 2 Characteristics of imaging studies
Imaging studies | Site | Manifestation | Case tested | Positive tests | |
|---|---|---|---|---|---|
n | % | ||||
Endoscopy | gastrointestinal tract | 75 | 74 | 98.7 | |
Gastroscope | esophagus, stomach, duodenum | ulcer type, bulge type, invasive type | 34 | 34 | 100 |
Duodenoscope | duodenum | bulge type | 3 | 3 | 100 |
Small intestinal endoscope | jejunum/ileum | small intestinal hemorrhage | 2 | 1 | 50.0 |
Colonoscope | rectum, appendix | polypoid prominences, submucosal uplift,cauliflower-like neoplasm | 36 | 36 | 100 |
Ultrasound | pancreas, liver, gallbladder, cho- ledoch | hypoechoic masses, well delimited andvascularized | 63 | 49 | 77.8 |
EUS | pancreas, duodenum, stomach | hypoechoic masses | 37 | 34 | 91.9 |
CT scan | pancreas, liver, stomach | local space-occupying lesions | 123 | 98 | 91.9 |
MRI | pancreas, duodenum, biliary | local space-occupying lesions | 20 | 19 | 95.0 |
PET-CT | pancreas, rectum | local space-occupying lesions | 20 | 19 | 95.0 |