Hepatocellular Carcinoma

Nov 24, 2019 by in GASTROENTEROLOGY Comments Off on Hepatocellular Carcinoma

Hepatocellular Carcinoma Michael S. Torbenson, MD 28.1 DEFINITIONS AND TERMINOLOGY Hepatocellular carcinoma is defined as a malignant epithelial tumor that (1) originates in the liver, (2) is differentiated toward hepatocytes…

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Hematopathology and the Liver

Nov 24, 2019 by in GASTROENTEROLOGY Comments Off on Hematopathology and the Liver

Hematopathology and the Liver Michael S. Torbenson Ellen D. McPhail 30.1 OVERVIEW The liver can be involved by reactive lymphoid hyperplasia and by various hematological malignancies. The appropriate diagnosis can…

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Metastatic Tumors in the Liver

Nov 24, 2019 by in GASTROENTEROLOGY Comments Off on Metastatic Tumors in the Liver

Metastatic Tumors in the Liver Lizhi Zhang, MD 31.1 INTRODUCTION The liver is one of the most common organs involved by metastases. In fact, metastatic tumors are the most common…

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Vascular Disorders

Nov 24, 2019 by in GASTROENTEROLOGY Comments Off on Vascular Disorders

Vascular Disorders Lizhi Zhang, MD 21.1 INTRODUCTION The liver has a dual blood supply. The portal vein provides approximately two-thirds of blood flow to the liver, with blood that is…

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Benign and Malignant Biliary Tumors

Nov 24, 2019 by in GASTROENTEROLOGY Comments Off on Benign and Malignant Biliary Tumors

Benign and Malignant Biliary Tumors Murli Krishna, MD 29.1 INTRODUCTION Biliary neoplasms and tumor-like lesions form a diverse group of lesions in the liver, and include tumors with characteristics similar…

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Benign Hepatocellular Tumors

Nov 24, 2019 by in GASTROENTEROLOGY Comments Off on Benign Hepatocellular Tumors

Benign Hepatocellular Tumors Dora Lam-Himlin, MD 27.1 FOCAL NODULAR HYPERPLASIA Definition Focal nodular hyperplasia is a benign hyperplastic reactive lesion composed of nodules of hepatocytes separated by fibrotic bands in…

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Pediatric Liver Tumors

Nov 24, 2019 by in GASTROENTEROLOGY Comments Off on Pediatric Liver Tumors

Pediatric Liver Tumors Saba Yasir, MBBS 25.1 HEPATOBLASTOMA Definition Hepatoblastomas are malignant epithelial neoplasms that are primary to the liver and show a range of hepatocellular differentiation, recapitulating various stages…

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Transplantation Pathology

Nov 24, 2019 by in GASTROENTEROLOGY Comments Off on Transplantation Pathology

Transplantation Pathology Roger K. Moreira, MD Douglas A. Simonetto, MD 20.1 OVERVIEW Chronic liver disease is a major cause of morbidity and mortality worldwide. In the United States alone, nearly…

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