Document Detail


False positives in the prenatal ultrasound screening of fetal structural anomalies.
MedLine Citation:
PMID:  17154189     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To describe the false-positive diagnoses of prenatal ultrasound screening of fetal structural anomalies. METHODS: Pregnancies with fetal structural anomalies either detected prenatally in our center or referred to us, were registered, evaluated, and followed-up prospectively by a multidisciplinary Congenital Defects Committee. After postnatal follow-up was completed, cases were assigned as true positives, false positives or false negatives and categorized by anatomical systems. Pregnancies referred with a nonconfirmed suspicion of anomaly were not included. The false-positive diagnoses were analyzed. RESULTS: From 1994 to 2004, 903 new registry entries of fetuses structurally abnormal at ultrasound with a complete follow-up were included in the Committee database. There were 76 false positives, accounting for 9.3% of all the prenatally established diagnoses. The urinary tract anomalies were the most frequent false-positive diagnoses found (n = 25; accounting for 8.7% of the urinary tract defects), but the genital anomalies showed the higher rate of no confirmation (n = 5; 15.2%). The specific anomalies most commonly not confirmed were renal pyelectasis (n = 9), cerebral ventriculomegaly (n = 9), abdominal cysts (n = 7) and short limbs (n = 7). CONCLUSION: Several prenatally diagnosed anomalies would benefit from prudent counseling, because they may be normal variants or transient findings.
Authors:
M Angels Martinez-Zamora; Antoni Borrell; Virginia Borobio; Anna Gonce; Marimer Perez; Francesc Botet; Alfons Nadal; Asteria Albert; Bienvenido Puerto; Albert Fortuny
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Prenatal diagnosis     Volume:  27     ISSN:  0197-3851     ISO Abbreviation:  Prenat. Diagn.     Publication Date:  2007 Jan 
Date Detail:
Created Date:  2006-12-18     Completed Date:  2007-04-05     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  8106540     Medline TA:  Prenat Diagn     Country:  England    
Other Details:
Languages:  eng     Pagination:  18-22     Citation Subset:  IM    
Copyright Information:
Copyright 2007 John Wiley & Sons, Ltd.
Affiliation:
Institute of Gynecology, Obstetrics and Neonatology, Hospital Clinic, University of Barcelona Medical School, Barcelona, Catalonia, Spain.
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MeSH Terms
Descriptor/Qualifier:
Congenital Abnormalities / ultrasonography*
False Positive Reactions*
Female
Follow-Up Studies
Humans
Pregnancy
Ultrasonography, Prenatal / methods*

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