title: [Diagnosis of mucinous cystadenoma of the appendix by ultrasound and analysis of the misdiagnosed cases].
abstract: OBJECTIVE
  To explore the ultrasound characteristics of mucinous cystadenoma of the appendix and evaluate its diagnostic value.
  
  
  METHODS
  Fourteen cases of mucinous cystadenoma of the appendix were diagnosed by ultrasonic examination and confirmed by surgery and pathology. The ultrasound findings and distribution of color Doppler flow signals were observed and analyzed in comparison with the surgical and pathological results.
  
  
  RESULTS
  Ultrasound revealed a unilocular or multilocular cystic mass located in the right lower quadrant area with clear boarders, smooth and thick wall, and inconsistent internal echogenicity. The maximal outer diameter of the mass was 2 cm or greater in attachment to the cecum, lacking of periileal inflammatory changes such as in the periileal lymph nodes and echogenic periappendiceal epiploon.
  
  
  CONCLUSIONS
  Ultrasound is of high value in the diagnosis of mucinous cystadenoma of the appendix.
authors.affiliation: Department of Ultrasound, Third Xiangya Hospital, Central South University, Changsha 410013, China. ritaluozhq@sina.com
authors.forename: Zhuo-qiong
authors.initials: ZQ
authors.lastname: Luo
authors.forename: Ping
authors.initials: P
authors.lastname: Zhou
authors.forename: Wei
authors.initials: W
authors.lastname: He
authors.forename: Feng
authors.initials: F
authors.lastname: Gao
mesh_terms: D000328:Adult; D000368:Aged; D001063:Appendiceal Neoplasms / Q000000981:diagnostic imaging*; D018291:Cystadenoma, Mucinous / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D014463:Ultrasonography