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Revista colombiana de Gastroenterología

versão impressa ISSN 0120-9957

Resumo

LOPEZ PANQUEVA, Rocío del Pilar. Diagnosis and Differential Diagnosis Problems with Histological Variants of Benign Liver Neoplasms. Rev Col Gastroenterol [online]. 2015, vol.30, n.1, pp.116-124. ISSN 0120-9957.

A basic principle of pathology is that neoplasms differ according to their cells of origin. Neoplasms of the liver resemble its constituent liver, biliary, epithelial, endothelial, mesenchymal cells or some combination of these different types of cells. It is important to remember here that metastases are the most frequent malignant liver tumor occurring at ratio of 30: 1 in patients without underlying chronic liver disease or cirrhosis. Metastases are rare in cirrhotic livers. The most common primary sites are the colon, pancreas, common bile duct, stomach, neuroendocrine tumors and GIST, or extraintestinal tumors from the lung, breast, head, neck and skin (1). In this article we review only the most frequent benign neoplasms and tumor-like lesions with particular emphasis on diagnostic difficulties, special studies, and the usefulness of immunohistochemical or molecular studies for proper classification and differential diagnosis

Palavras-chave : Benign liver tumors; adenoma; focal nodular hyperplasia; nodular regenerative hyperplasia; hemangioma; angiomyolipoma; hamartoma; biliary hamartoma; mesenchymal hamartoma; on Meyenberg complexes; simple cysts; mucinous neoplasms; biliary cystadenoma; intraductal papillary neoplasms bile.

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