阑尾黏液性肿瘤超声误漏诊分析

目的探讨阑尾黏液性肿瘤的超声表现，以期提高超声对其的诊断能力。 方法回顾性分析2013—2019年在北京市延庆区医院经手术病理证实的10例阑尾黏液性肿瘤病例的超声声像图特征，分析误诊及漏诊情况。 结果10例经手术病理证实为阑尾黏液性肿瘤的患者中，术前3例超声诊断或怀疑为阑尾黏液性肿瘤（30.0%，3/10），6例超声诊断为急性阑尾炎（60.0%，6/10），1例超声诊断为右下腹囊性包块，阑尾来源可能（10.0%，1/10）。10例患者的超声表现均为阑尾管径增宽，管壁增厚，其中5例阑尾管腔内可见沉积物，1例管腔内可见块状强回声，4例阑尾管壁结构不清合并周围积液。 结论阑尾黏液性肿瘤是一种少见疾病，超声表现具有一定的特异性，超声医师应掌握其临床及超声特点，提高对该疾病的认识，可提高本病的超声诊断率。

Causes of misdiagnosis and missed diagnosis of mucinous neoplasms of the appendix by ultrasound

ObjectiveTo improve the ultrasound diagnosis of appendiceal mucinous neoplasms (AMNs) by investigating their ultrasound manifestations. MethodsA retrospective study was performed on the ultrasonic images of ten cases of AMNs diagnosed by pathology at Yanqing District Hospital from 2013 to 2019. ResultsOf the ten cases included, only three were diagnosed or suspected as having AMNs by ultrasound (30.0%, 3/10), six were diagnosed with acute appendicitis (60.0%, 6/10), and one was diagnosed with cystic mass of the right lower abdomen (10.0%, 1/10). The ultrasonic characteristics of the ten cases were enlarged diameter and thickened wall of the appendix. Five cases had sediment in the lumen of the appendix, one had calcification in the lumen, and four had unclear wall structures surrounded by effusion. ConclusionAMNs are rare, and they have some characteristics on ultrasonography. Improving the knowledge on AMNs and being familiar with their clinical and sonographic characteristics are conductive to the accurate of diagnosis.