{"title":"CONGENITAL MEGALOURETHRA: Lower Urinary Tract Obstruction With \"The Sandwich Sign\".","authors":"Ishita Agarwal, Akshatha Prabhu, Srishti Chandra, Shobhna Sengar, Anita Kaul","doi":"10.1002/jcu.24078","DOIUrl":null,"url":null,"abstract":"<p><p>Congenital megalourethra is a rare disorder that causes functional urinary tract obstruction. A multigravida at 16 weeks' gestation referred for an abdominal cyst was found to have a large urinary bladder along with another dilated cystic structure between the fetal legs (sandwich sign), bilateral echogenic kidneys, and anhydramnios, features suggestive of congenital megalourethra. Medical termination of pregnancy was performed. The male abortus was noted to have a massively distended bladder and a dilated penile urethra. Another patient referred in view of suspected bladder outlet obstruction was diagnosed to have a megalourethra on imaging at our center using the sandwich sign. In severe oligohydramnios the \"sandwich sign\" helps in \"ruling in\" the diagnosis of megalourethra and ruling out the common differential diagnosis of a posterior urethral valve.</p>","PeriodicalId":15386,"journal":{"name":"Journal of Clinical Ultrasound","volume":" ","pages":""},"PeriodicalIF":1.2000,"publicationDate":"2025-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Clinical Ultrasound","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1002/jcu.24078","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ACOUSTICS","Score":null,"Total":0}
引用次数: 0
Abstract
Congenital megalourethra is a rare disorder that causes functional urinary tract obstruction. A multigravida at 16 weeks' gestation referred for an abdominal cyst was found to have a large urinary bladder along with another dilated cystic structure between the fetal legs (sandwich sign), bilateral echogenic kidneys, and anhydramnios, features suggestive of congenital megalourethra. Medical termination of pregnancy was performed. The male abortus was noted to have a massively distended bladder and a dilated penile urethra. Another patient referred in view of suspected bladder outlet obstruction was diagnosed to have a megalourethra on imaging at our center using the sandwich sign. In severe oligohydramnios the "sandwich sign" helps in "ruling in" the diagnosis of megalourethra and ruling out the common differential diagnosis of a posterior urethral valve.
期刊介绍：
The Journal of Clinical Ultrasound (JCU) is an international journal dedicated to the worldwide dissemination of scientific information on diagnostic and therapeutic applications of medical sonography.
The scope of the journal includes--but is not limited to--the following areas: sonography of the gastrointestinal tract, genitourinary tract, vascular system, nervous system, head and neck, chest, breast, musculoskeletal system, and other superficial structures; Doppler applications; obstetric and pediatric applications; and interventional sonography. Studies comparing sonography with other imaging modalities are encouraged, as are studies evaluating the economic impact of sonography. Also within the journal''s scope are innovations and improvements in instrumentation and examination techniques and the use of contrast agents.
JCU publishes original research articles, case reports, pictorial essays, technical notes, and letters to the editor. The journal is also dedicated to being an educational resource for its readers, through the publication of review articles and various scientific contributions from members of the editorial board and other world-renowned experts in sonography.
求助内容：
应助结果提醒方式：
京公网安备 11010802042870号
