急性阑尾炎为小儿多发病之一,常易误诊,婴幼儿尤甚,后果较严重。必须了解小儿急性阑尾炎的病因、病理和临床方面的特点,便于及时诊治。 1 小儿急性阑尾炎的主要病因是阑尾腔梗阻,如粪石、寄生虫或病毒感染致使淋巴结肿大而引起阑尾梗阻。这是由于小儿阑尾相对较长,壁薄,腔内阻塞后内压上升,阑尾壁水肿,缺血导致穿孔。而小儿的大网膜 Acute appendicitis is one of the most common in children, often misdiagnosed, particularly infants and young children, the consequences are more serious. Must understand the etiology, pathology and clinical features of children with acute appendicitis, facilitate the timely diagnosis and treatment. Acute appendicitis in children is the main cause of appendix lumen obstruction, such as dung stone, parasites or viral infection caused by swollen lymph nodes caused by appendicitis. This is due to the relatively long appendice in children, wall thin, increased pressure within the lumen obstruction, appendix wall edema, ischemia lead to perforation. The children’s omentum