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A prospective search for urinary tract abnormalities in infants with isolated preauricular tags.
MedLine Citation:
PMID:  10799625     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To determine whether isolated preauricular tags are associated with urinary tract abnormalities. METHODOLOGY: Seventy consecutive infants with isolated preauricular tags were examined by ultrasonography for urinary tract abnormalities on day 3 or 4 of life between January 1993 and August 1999, after parental consent and ethics approval. Karyotype analysis was conducted in all infants with urinary tract abnormalities. The study group was compared with a control group of 69 infants without preauricular tags hospitalized during the same period. The control group consisted of infants who underwent urinary tract ultrasonography as part of an investigation for persistent regurgitation and/or vomiting associated with cyanotic spells. RESULTS: Urinary tract abnormalities were detected in 6 infants with isolated preauricular tags (6/70; 8.6%). Types of anomalies were as follows: hydronephrosis in 5 cases and horseshoe kidney in 1 case. The causes of hydronephrosis were ureteropelvic junction obstruction in 3 cases and vescicoureteric reflux in 2 cases. None of the infants in the control group had such abnormalities. All infants with urinary tract abnormalities had normal chromosomes. No statistically significant differences existed between groups concerning birth weight, gestational age, intrauterine growth, and male-to-female ratio. CONCLUSIONS: This study suggests a significant prevalence of urinary tract abnormalities in infants with preauricular tags. We recommend, therefore, that urinary tract ultrasonography be conducted in the routine assessment of infants with isolated preauricular tags.
D Kohelet; E Arbel
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Pediatrics     Volume:  105     ISSN:  1098-4275     ISO Abbreviation:  Pediatrics     Publication Date:  2000 May 
Date Detail:
Created Date:  2000-05-18     Completed Date:  2000-05-18     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0376422     Medline TA:  Pediatrics     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  E61     Citation Subset:  IM    
Department of Neonatology, Edith Wolfson Medical Center and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
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MeSH Terms
Case-Control Studies
Cross-Sectional Studies
Ear, External / abnormalities,  pathology*
Hydronephrosis / ultrasonography*
Infant, Newborn
Kidney / abnormalities*,  ultrasonography
Prospective Studies
Risk Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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