Clinical Research on a Novel Deep-learning Based System in Pancreatic Mass Diagnosis

Exclusion Criteria

• •Subjects who meet any of the following criteria cannot be selected for this trial:
• •First. The patient's physical condition does not meet the requirements of conventional ultrasound endoscopic puncture:
• •1. Poor physical condition, including hemoglobin ≤8.0g/dl, severe cardiopulmonary insufficiency, etc.
• •2. Blood coagulation dysfunction (platelet count \<50×1012, international standardized ratio\> 1.5) or taking oral anticoagulants such as aspirin or warfarin within a week
• •3. Anesthesia assessment failed
• •4. Had acute pancreatitis within 2 weeks
• •5. Pregnancy or breastfeeding
• •6. Known history of allergy to sulfur hexafluoride or other components
• •7. Recent acute coronary syndrome or clinically unstable ischemic heart attack
• •8. Heart disease patients with right-to-left shunt, patients with severe pulmonary hypertension (pulmonary artery pressure\> 90mmHg), patients with uncontrolled systemic hypertension and patients with adult respiratory distress syndrome.
• •Second. Disagree to participate in this study
• •Third. There are other problems that do not meet the requirements of this research or that affect the results of the research:
• •1. Pancreatic disease has undergone surgery or chemotherapy beforehand
• •2. The patient was diagnosed with pancreatic cystic disease or duodenal stenosis
• •3. Mental illness, drug addiction, inability to express themselves or other diseases that may affect follow-up