Objective To study the diagnostic value of combination of high-frequency small superficial organs by color Doppler ultrasound and intracavitary probe on perianal abscess. Methods From August 2013 to August 2014,clinical data from 78 cases diagnosed as perianal abscess by pathology were admitted into our hospital.According to random number table,they were divided into two groups.In control group,conventional specialist examinations like ultrasound detection was provided,while in observation group,high-frequency small superficial organs combining with intracavitary probe was applied.The detection outcomes by two methods were compared. Results In the observation group,coinci-dence rates of sphincter relationship,branch pipe,principal pine and inlet were all higher than those in the control group,with statistical differences (P<0.05).Detection rate of perianal abscess in the observation group was 97.44%,while in the control group,the rate was 82.05%.The detection rate of perianal abscess in the observation group was higher with a statistical difference (P<0.05).The detection rate of anal fistula in the observation group (94.44%) was higher than that in the control group (75.00%),with a statistical difference (P<0.05). Conclusion The combined use of high-frequency small superficial organs and intracavitary probe can improve the detection rate of perianal abscess.It is high in its diagnostic vale and convenient to provide reference for the treatment of disease,which is worthy of clinical appli-cation.%目的：研究联合应用彩色多普勒超声高频浅表小器官及腔内探头对肛周脓肿的诊断价值。方法选取2013年8月~2014年8月本院收治的78例经病理证实为肛周脓肿患者的临床资料，根据数字随机分组法原则，将患者分为两组，每组各39例。对照组给予常规专科检查(彩超检测)，观察组联合应用高频浅表小器官及腔内探头检查，比较两种检测方式的检测结果。结果①观察组患者与括<肌关系符合、支管符合、主管符合、内口符合率均高于对照组，差异均有统计学意义(均P<0.05)。②观察组肛周脓肿检出率为97.44%，对照组肛周脓肿检出率为82.05%，观察组肛周脓肿检出率较对照组升高，差异有统计学意义(P<0.05)。③观察组肛瘘检出率为94.44%，高于对照组(75.00%)，差异有统计学意义(P<0.05)。结论联合使用高频浅表小器官与腔内探头检查，能够提高肛周脓肿的检出率，诊断价值非常高，便于为疾病的治疗提供依据，值得临床推广应用。
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