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The Korean Journal of Pathology 1985;19(3): 350-354.
Metaplastic Variant of the Gallbladder Adenoma: A report of a case.
Eun Sil Yu, Yong Il Kim
Department of Pathology, College of Medicine, Seoul National University, Seoul, Korea.
A case of papillary adenoma of the gallbladder in a sixty seven-year-old female with varietise of epithelial components in metaplastic nature is presented. This adenoma was bordered by hyperplastic epithelium with intervening Paneth cells and enterochromaffin cells, but goblet cells were rarely participated, as with focal epithelial change resembling gastric foveolar epithelium and aggregation of antral type mucous glands. Based on its morphologically distinct type of gallbladder adenoma and histogenetic point of view, we propose this neoplasm to be designated as a metaplastic adenoma or polyp, and the relationship of various metaplastic changes to adenoma or carcinoma is discussed.