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Gastric trichobezoar: sonographic findings
Radiology
|October 1, 1986
Summary
Ultrasonography can specifically diagnose trichobezoars by identifying a broad band of high-amplitude echoes with sonic shadowing. This imaging technique enabled diagnosis before barium studies in a patient where trichobezoar was not clinically suspected.
Area of Science:
- Gastroenterology
- Medical Imaging
- Pediatric Surgery
Background:
- Trichobezoars are rare gastric foreign bodies, often presenting with non-specific symptoms.
- Diagnosis typically relies on endoscopy or barium studies, which can be invasive or delayed.
Observation:
- A patient presented with symptoms suggestive of gastric obstruction.
- Initial clinical suspicion did not include trichobezoar.
Findings:
- Ultrasonography revealed a characteristic pattern of a broad band of high-amplitude echoes.
- Complete sonic shadowing was observed posterior to the echogenic mass, indicative of a trichobezoar.
Implications:
- Ultrasonography offers a specific, non-invasive method for early trichobezoar diagnosis.
- This imaging modality can guide further management and potentially avoid more invasive procedures.
- Clinical suspicion for trichobezoar may be broadened with the advent of advanced ultrasound techniques.