GASTROENTEROLOGY

Development of Gastrointestinal Motility Reflexes

Dec 24, 2019 by in GASTROENTEROLOGY Comments Off on Development of Gastrointestinal Motility Reflexes

Outline Introduction Embryologic Aspects of Motility Development Pharyngo-esophageal Motility Reflexes in Human Neonates Maturation of Esophageal Peristalsis and Upper Esophageal Sphincter and Lower Esophageal Sphincter Functions Maturation of Basal and…

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Lipid and Fatty Acid Delivery in the Preterm Infant: Challenges and Lessons Learned from Other Critically Ill Populations

Dec 24, 2019 by in GASTROENTEROLOGY Comments Off on Lipid and Fatty Acid Delivery in the Preterm Infant: Challenges and Lessons Learned from Other Critically Ill Populations

Outline Introduction Lipids and Fatty Acids Maintaining Function and Health Mechanisms and Significance of Fatty Acid Alterations in Cystic Fibrosis Defects in Fatty Acid Metabolism Pancreatic Insufficiency and Lipid Maldigestion…

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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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