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Sonographic findings of Zenker diverticula.
Jin Young Kwak1, Eun-Kyung Kim
1Department of Diagnostic Radiology, Research Institute of Radiological Science, Yonsei University College of Medicine, 134 Shinchon-Dong, Seodaemun-gu, Seoul 120-752, Korea.
Summary
Zenker diverticula can be identified using thyroid sonography, showing unique features like echogenic foci. This imaging technique helps avoid misdiagnosis and unnecessary procedures for these esophageal outpouchings.
Area of Science:
- Radiology
- Gastroenterology
- Otolaryngology
Background:
- Zenker diverticula are rare outpouchings in the esophagus.
- Misdiagnosis as thyroid nodules can lead to unnecessary procedures.
Purpose of the Study:
- To characterize the sonographic appearance of Zenker diverticula.
- To establish sonography as a diagnostic tool for Zenker diverticula.
Main Methods:
- Retrospective review of sonograms and medical records from 6 patients.
- Analysis of sonographic findings, including location, echogenicity, and internal features.
- Confirmation of diagnoses with esophagography.
Main Results:
- Zenker diverticula were incidentally detected in 6 patients via neck sonography.
- Lesions appeared as isoechoic or hypoechoic masses with echogenic foci and a posterior hypoechoic zone.
- All diverticula were connected to the adjacent esophageal wall.
Conclusions:
- Thyroid sonography reveals unique characteristics of Zenker diverticula.
- Accurate sonographic diagnosis can prevent misidentification as thyroid nodules.
- Sonography aids in avoiding unnecessary invasive procedures.