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Published on: April 17, 2019
A negative herniogram does not exclude the presence of a hernia
I M Loftus1, S S Ubhi, P M Rodgers
1Department of Surgery, Leicester Royal Infirmary NHS Trust.
Annals of the Royal College of Surgeons of England
|October 23, 1997
Summary
Herniography shows limited reliability in diagnosing occult hernias, with significant false-positive and false-negative rates. This diagnostic tool
Area of Science:
- Radiology
- Surgical Diagnosis
- Abdominal Imaging
Background:
- Occult hernias present diagnostic challenges, often leading to delayed treatment.
- Herniography is utilized to visualize suspected but non-palpable hernias.
Purpose of the Study:
- To evaluate the diagnostic accuracy and reliability of herniography for detecting occult hernias.
- To determine the false-positive and false-negative rates of herniography in a clinical setting.
Main Methods:
- A retrospective review of 63 consecutive herniograms performed over three years.
- Analysis of herniogram results compared with operative findings and clinical presentation.
Main Results:
- Herniography diagnosed 26 hernias in 23 patients, with 13 confirmed intraoperatively.
- A false-positive rate of 18.7% and a false-negative rate of 7.9% were observed.
- False positives occurred in patients with pain; false negatives in those with pain and "jump" but no palpable hernia.
Conclusions:
- Herniography demonstrated suboptimal reliability in diagnosing occult hernias.
- The study suggests limitations in herniography's effectiveness compared to other reported experiences.
- Clinical presentation (pain, "jump") is crucial for interpreting herniography results.
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