High accuracy of ultrasound in diagnosing the presence and type of groin hernia

ABSTRACT Background To evaluate the accuracy of ultrasound (US) in diagnosing the the presence and type of groin hernia. Methods We retrospectively studied the results of 172 US examinations of the groin in 151 patients (101 men and 50 women; mean age, 59 years) who had undergone US examination for...

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Bibliographic Details
Published in:Journal of clinical ultrasound 2015-11, Vol.43 (9), p.538-547
Main Authors: Lee, Ryan Ka Lok, Griffith, James F., Ng, Wing Hung Alex
Format: Article
Language:English
Subjects:
accuracy
Female
Groin - diagnostic imaging
Hernia, Inguinal - diagnostic imaging
Humans
inguinal hernia
Male
Middle Aged
Reproducibility of Results
Retrospective Studies
Sensitivity and Specificity
type
Ultrasonic imaging
Ultrasonography
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Summary:ABSTRACT Background To evaluate the accuracy of ultrasound (US) in diagnosing the the presence and type of groin hernia. Methods We retrospectively studied the results of 172 US examinations of the groin in 151 patients (101 men and 50 women; mean age, 59 years) who had undergone US examination for suspected groin hernia. In total, 119 of the groin hernias had been diagnosed on US, and 108 (91%) had required subsequent surgery. All patients who had had positive results for hernia on US and did not undergo surgery (n = 11) and most of the patients whose US results had been negative for hernia (n = 48) underwent limited MRI or CT scanning. We determined the sensitivity, specificity, and accuracy of US in diagnosing the presence and type of groin hernia. To identify any change in the accuracy of US over time at our institution, we compared the sensitivity, specificity, and accuracy of its use from January 2002 through December 2010 (n = 54 groins) with those from January 2011 through December 2012 (n = 118 groins). Results The overall rates of sensitivity and specificity of US for diagnosing the presence of groin hernia were 96% and 96%. These rates reflect improvements from 92% and 88% prior to 2011 to 98% and 100% beginning in 2011. In addition, the overall accuracy of US for diagnosing the type of groin hernia was 96%. This also improved over time at our center from 91% prior to 2011 to 98% beginning in 2011. Conclusions US is highly accurate at diagnosing the presence and type of groin hernia. © 2015 Wiley Periodicals, Inc. J Clin Ultrasound 43:538–547, 2015
ISSN:0091-2751
1097-0096
DOI:10.1002/jcu.22271