Objective to explore the ultrasonic characteristics and differentialdiagnosis of pneumobilia, and to reduce misdiagnosis and improve accurate diagnosis of pneumobilia.
目的探讨肝内胆管积气的超声图像特征及其鉴别诊断，减少误诊，提高诊断准确率。
2
Objective To investigate the value of transabdominal ultrasonography in differentialdiagnosis of gastric stromal tumor and carcinoma through comparing the ultrasonic appearances of tumors.
目的比较胃间质瘤和胃癌的经腹超声表现，探讨超声的鉴别诊断价值。
3
Conclusion: With the integrated usage of ultrasonic methods, higher accuracy of differentialdiagnosis for benign and malignant salivary glands tumors may be obtained.