Gallbladder diverticula are rare anomalies that manifest as luminal outpouchings.
On this page:
Epidemiology
Gallbladder diverticula are found in 0.1-0.2% of resected gallbladder specimens 4.
Pathology
They are characterized by herniation of the gallbladder mucosa through the muscular layer 1. They can be of two types 4:
true (congenital) diverticulum: includes all layers of the gallbladder wall
false (acquired) diverticulum / pseudodiverticulum: lack a complete wall structure
Associations
cholelithiasis: associated with pseudodiverticulum 4
adenomyomatosis (intramural diverticulosis)
Differential diagnosis
Possible differential considerations include
spectrum of multiple gallbladder if large 4
Unable to process the form. Check for errors and try again.