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Pseudo-duplication of the Gallbladder.
Jamie Adamski1, Divya Mohan1,2, Christopher Waasdorp1,2
1Jefferson Northeast, Department of Emergency Medicine, Philadelphia, Pennsylvania.
Clinical Practice and Cases in Emergency Medicine
|February 18, 2020
Summary
Phrygian cap and pseudo-duplication of the gallbladder are rare ultrasound findings. Recognizing these variants is crucial for accurate gallbladder assessment and appropriate patient management.
Area of Science:
- Radiology
- Gastroenterology
- Anatomy
Background:
- Phrygian cap is a common congenital fold in the gallbladder. Pseudo-duplication is a rare anomaly.
- These variants can mimic gallbladder pathology on ultrasound.
- Accurate identification is essential for correct diagnosis.
Purpose of the Study:
- To highlight the radiologic features of Phrygian cap and pseudo-duplication.
- To emphasize the importance of differentiating these variants from true gallbladder pathology.
- To guide clinical management based on ultrasound findings.
Main Methods:
- Review of ultrasound images demonstrating Phrygian cap and pseudo-duplication.
- Correlation with anatomical knowledge of gallbladder variations.
- Analysis of potential diagnostic pitfalls.
Main Results:
- Phrygian cap and pseudo-duplication can lead to apparent gallbladder under-distension.
- These variants may cause a false impression of gallbladder wall thickening.
- Distinguishing these from pathology requires careful examination of the entire gallbladder.
Conclusions:
- Correct identification of Phrygian cap and pseudo-duplication is key.
- These findings necessitate a thorough gallbladder survey to exclude pathology.
- Management differs for asymptomatic (discharge) versus symptomatic (surgical consultation) patients.
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