Abstract： Objective To analyze the ultrasonographic features of acute appendicitis (AA) and its clinical diagnostic value.Methods A total of 171 cases of patients suspected with AA in Shangrao Municipal Hospital from November 2017 to October 2019 were selected as the research objects.All the patients were examined by ultrasound，and the diagnostic efficiency and ultrasonic image characteristics of different pathological types were observed.Results Among 171 suspected AA patients，150 cases were positive and 21 cases were negative，70 cases were simple appendicitis，59 cases were suppurative appendicitis and 21 cases were perforated appendicitis.The results of surgical pathology were used as the gold standard.The sensitivity，specificity and accuracy of ultrasound in the diagnosis of simple appendicitis were 84.29%，75.00% and 83.33%，respectively.The sensitivity，specificity and accuracy of ultrasound diagnosis of suppurative appendicitis were 93.22%，85.71% and 92.42%，respectively.The sensitivity，specificity and accuracy of diagnosing perforated appendicitis were 85.71%，100.00% and 88.89%，respectively.The incidence rates of dilation of lumen and unclear layers of wall in suppurative and perforated appendicitis were higher than those in simple appendicitis，the differences were statistically significant (P＜0.05).The incidence of intraluminal fecal stones in patients with perforated appendicitis was lower than that in patients with simple appendicitis，the difference was statistically significant (P＜0.05).The incidence of appendiceal effusion in patients with perforated appendicitis was higher than that in patients with simple appendicitis and suppurative appendicitis，the difference was statistically significant (P＜0.05).The incidence of lymphadenectasis in patients with simple appendicitis was higher than that in patients with perforated appendicitis and suppurative appendicitis，the difference was statistically significant (P＜0.05).The width of the appendix in patients with perforated appendicitis was larger than that in patients with suppurative appendicitis and simple appendicitis，the length of appendicitis and the thickness of tube wall in patients with simple appendicitis were shorter than those in patients with suppurative appendicitis and perforated appendicitis，the differences were statistically significant (P＜0.05).Conclusion The accuracy rate of ultrasound diagnosis of AA is higher，which has certain clinical value in the differential diagnosis of different pathological types of appendicitis，and can provide reference for clinical diagnosis and treatment plan.
汪 勇. 急性阑尾炎超声图像特征及其临床诊断价值分析[J]. 中国当代医药, 2020, 27(33): 146-149.
WANG Yong. Ultrasonographic features of acute appendicitis and its clinical diagnostic value analysis. 中国当代医药, 2020, 27(33): 146-149.
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