Sonographic diagnosis: Classically in case of small bowel obstruction, multiple filled loops of small bowel appear abnormally dilated.They can present strong peristaltic moements.

• 超声诊断：一般在小肠梗阻的病例中，多处小肠肠管的充盈表现为异常的扩张，肠管蠕动明显增强。