Normal Gallbladder - Click on thumbnail to view larger image.
Normal gallbladder. An empty gallbladder of an adult mouse with a folded mucosa.
Ectopic Pancreatic Acinar Tissue - Click on thumbnails to view larger images.
Ectopic pancreatic acinar tissue is present in the wall of the gallbladder.
Cysts - Click on thumbnail to view larger image.
Cysts in the wall of the gallbladder.
Acute Inflammation - Click on thumbnails to view larger images.
Severe acute inflammation with associated hemorrhage in the gallbladder.
Chronic Inflammation - Click on thumbnail to view larger image.
Chronic inflammation of the gallbladder with mucosal ulceration.
Papillary Hyperplasia - Click on thumbnail to view larger image.
Papillary hyperplasia of the gallbladder with a small mucosal ulcer (arrow).
Papillary Adenoma - Click on thumbnails to view larger images.
A papillary adenoma of the gallbladder in an adult mouse. Higher magnification reveals multiple layers of proliferating epithelium lining a connective tissue stalk.
Crystalline Inclusions - Click on thumbnails to view larger images.
Eosinophilic crystalline inclusions and hyalin degeneration of epithelial cytoplasm in an adenomatous hyperplasia of the gallbladder. High magnification shows the brightly eosinophilic hyalinized cytoplasm of the epithelial cells.
Edema - Click on thumbnail to view larger image.
Gallbladder, submucosal edema. This change represents a sporadic finding in mice.