Parasites in the Liver

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

Parasites in the Liver Bobbi S. Pritt, MD, MSc 9.1 INTRODUCTION Parasites are an important cause of infections in the liver and biliary tract and are responsible for significant morbidity…

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Granulomatous Liver Disease

Nov 24, 2019 by in GASTROENTEROLOGY Comments Off on Granulomatous Liver Disease

Granulomatous Liver Disease Vishal S. Chandan, MD Tsung-Teh Wu, MD, PhD 11.1 INTRODUCTION Granulomas are localized collections of macrophages and other inflammatory cells, such as lymphocytes, that usually develop in…

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Viral Hepatitis

Nov 24, 2019 by in GASTROENTEROLOGY Comments Off on Viral Hepatitis

Viral Hepatitis Roger K. Moreira, MD Douglas A. Simonetto, MD 8.1 GRADING AND STAGING OVERVIEW In a fashion somewhat analogous to tumor pathology—where grade refers to features that reflect disease…

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Other Infections of the Liver

Nov 24, 2019 by in GASTROENTEROLOGY Comments Off on Other Infections of the Liver

Other Infections of the Liver Michael S. Torbenson, MD 10.1 INTRODUCTION This chapter discusses nonviral and nonparasitic infections of the liver, though infections that are primarily granulomatous are discussed with…

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The Almost Normal Liver Biopsy

Nov 24, 2019 by in GASTROENTEROLOGY Comments Off on The Almost Normal Liver Biopsy

The Almost Normal Liver Biopsy Michael S. Torbenson, MD 7.1 OVERVIEW Liver biopsies can sometimes be almost normal on histological examination, even when performed for clinical indication. The clinical indication…

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Electron Microscopy

Nov 24, 2019 by in GASTROENTEROLOGY Comments Off on Electron Microscopy

Electron Microscopy Taofic Mounajjed, MD 5.1 INTRODUCTION The rise of immunohistochemical, molecular, and serologic techniques in pathology over the past decades has somewhat sidelined certain diagnostic uses of the more…

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Gross Processing of Liver Specimens

Nov 24, 2019 by in GASTROENTEROLOGY Comments Off on Gross Processing of Liver Specimens

Gross Processing of Liver Specimens Roger K. Moreira, MD 2.1 GROSS ANATOMY Weight The normal human liver varies significantly in size, with an average weight of approximately 1,500 g (ranging…

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