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Sonography of thickened gallbladder wall: causes in children
Insights
Gallbladder wall thickening in children is not linked to acute cholecystitis. This finding suggests that gallbladder wall thickness alone is not a sufficient indicator for surgical removal in pediatric patients.
Area of Science:
- Pediatric Radiology
- Gastroenterology
Background:
- Gallbladder wall thickening on ultrasound can indicate various pathologies.
- Distinguishing between inflammatory and non-inflammatory causes is crucial for appropriate management.
Purpose of the Study:
- To investigate the association between gallbladder wall thickening and acute cholecystitis in a pediatric population.
- To determine if gallbladder wall thickening is a reliable indicator for cholecystectomy in children.
Main Methods:
- Retrospective review of 793 abdominal sonograms in children (1 day to 16 years).
- Analysis of gallbladder visualization, wall thickness, and associated clinical conditions.
- Correlation of sonographic findings with diagnoses, including acute cholecystitis and gallstones.
Main Results:
- 453/793 (57%) had visible gallbladders; 20/453 (4.4%) had thickened walls (>3 mm).
- Thickening was associated with hypoalbuminemia (13), ascites (5), physiologic contraction (1), and venous hypertension (1).
- No significant gallbladder wall thickening was observed in pediatric patients with gallstones or sludge, and importantly, not in those with acute cholecystitis.
Conclusions:
- Gallbladder wall thickening in children is primarily associated with non-inflammatory conditions like hypoalbuminemia and ascites.
- Gallbladder wall thickening is not a reliable indicator of acute cholecystitis in the pediatric population.
- Findings do not support cholecystectomy based solely on gallbladder wall thickening in children.
Abstract:
A review of 793 consecutive abdominal sonograms in children aged 1 day to 16 years disclosed 453 patients in whom the gallbladder was clearly visible on at least two perpendicular views. Twenty had a gallbladder wall more than 3 mm thick. The following diseases were associated with gallbladder wall thickening; hypoalbuminemia (13 cases), ascites (five, three with concomitant hypoalbuminemia), physiologic thickening because of partial wall contraction (one), and systemic venous hypertension (one). None of 26 patients with gallstones and one of 14 with sludge had a thickened gallbladder. (The latter patient had concomitant hypoalbuminemia). Five patients with surgically proven acute cholecystitis during this same interval of time had sonograms. In four, the gallbladder wall was of normal thickness. In the fifth patient, the gallbladder wall could not be visualized because of densely shadowing stones. In this population, thickening of the gallbladder wall was not associated with acute cholecystitis and thus was not an indication for cholecystectomy.