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Widni, EE; Hollwarth, ME; Haxhija, EQ.
The impact of preoperative ultrasound on correct diagnosis of urachal remnants in children.
J Pediatr Surg. 2010; 45(7):1433-1437
Web of Science PubMed FullText FullText_MUG


Autor/innen der Med Uni Graz:
Amerstorfer Eva Elisa
Haxhija Emir
Höllwarth Michael

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Plum Analytics:
Background: Ultrasound is a noninvasive imaging method used widely in urachal diagnostics. This study investigated the effectiveness of ultrasonography in correctly depicting urachal anomalies in children. Methods: Preoperative ultrasound findings of all patients who were operated on for suspected urachal anomalies between 1990 and 2008 were retrospectively compared with the final diagnosis. Results: Fifty-three patients (31 female, 22 male; similar to 2.6 years; range, 0-17 years) were reviewed. In 37 patients, the final diagnosis of an urachal anomaly matched the ultrasound findings. In 7 patients, there was a false-positive ultrasound finding, and in 9 patients, there was a false-negative ultrasound finding. Three of 4 patients with urachal cysts, 23 of 29 patients with urachal fistulas, and 8 of 10 patients with urachal sinuses were correctly identified by ultrasonography. In 10 patients, no urachal rests were found intraoperatively: in 7 of these patients, urachal rests were falsely suspected by ultrasound. The positive predictive value for ultrasound is 83%, whereas the negative predictive value is 25%. The sensitivity for this diagnostic method is 79% and the specificity 30%. Conclusions: Ultrasound helps to identify urachal anomalies in case of their presence but is not helpful to rule out a nonexisting urachal anomaly. (C) 2010 Elsevier Inc. All rights reserved.
Find related publications in this database (using NLM MeSH Indexing)
Adolescent -
Child -
Child, Preschool -
Female -
Humans -
Infant -
Infant, Newborn -
Male -
Predictive Value of Tests -
Retrospective Studies -
Sensitivity and Specificity -
Urachal Cyst - surgery Urachal Cyst - ultrasonography
Urachus - abnormalities Urachus - surgery Urachus - ultrasonography

Find related publications in this database (Keywords)
Urachal anomalies
Value of ultrasonography
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