Adenomatous Hyperplasia of the Gallbladder in the Setting of Mirizzi Syndrome, Mimicking Adenocarcinoma of the Gallbladder.

Adenomatous hyperplasia may be misdiagnosed as a malignant GB neoplasm, especially in the setting of chronic cholecystitis and gallstones. If a correct histopathological diagnosis is made, no further diagnostic work-up is necessary following surgical interventions.