Document Detail

Differential diagnosis of the nonvisualized fetal urinary bladder by transvaginal sonography in the early second trimester.
MedLine Citation:
PMID:  8377969     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To describe the pathologic situations associated with the persistently nonvisualized fetal urinary bladder in the early second trimester. METHODS: We analyzed retrospectively 13,458 ultrasound examinations performed between 12-16 weeks' gestation in search of fetal malformations. Seventy percent of the patients were at low risk and 30% comprised a high-risk group for the detection of fetal anomalies. RESULTS: Seven cases of persistent nonvisualization of the fetal urinary bladder were detected by transvaginal sonography among 13,458 fetuses. In one case bladder exstrophy, and in another bilateral multicystic dysplastic kidneys were diagnosed by postabortal examination. Five cases were associated with bilateral renal agenesis. CONCLUSION: When one fails persistently to demonstrate the fetal urinary bladder during an examination lasting 30 minutes or longer, urinary tract pathology should be highly suspected. Failure to visualize the bladder may be associated with bladder exstrophy, bilateral renal agenesis, or late onset of bilateral multicystic dysplastic kidneys.
M Bronshtein; I Bar-Hava; Z Blumenfeld
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Obstetrics and gynecology     Volume:  82     ISSN:  0029-7844     ISO Abbreviation:  Obstet Gynecol     Publication Date:  1993 Oct 
Date Detail:
Created Date:  1993-10-21     Completed Date:  1993-10-21     Revised Date:  2009-10-26    
Medline Journal Info:
Nlm Unique ID:  0401101     Medline TA:  Obstet Gynecol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  490-3     Citation Subset:  AIM; IM    
Department of Obstetrics and Gynecology, Rambam Medical Center, Al-Kol Institute of Ultrasonography, Haifa, Israel.
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MeSH Terms
Diagnosis, Differential
Kidney / abnormalities*,  ultrasonography*
Maternal Age
Pregnancy Trimester, Second
Pregnancy, High-Risk
Retrospective Studies
Risk Factors
Ultrasonography, Prenatal* / methods
Urinary Bladder / abnormalities*,  ultrasonography*

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