Overview of Gastric Pathology: Non-Neoplastic Diseases

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Developmental and Structural Abnormalities • Gastric atresia (membranes >> complete segmental defects) • Microgastria (arrested foregut development) • Gastric diverticula: – 75% are juxtacardial (on the posterior wall of the cardia) • Gastric duplication “cysts” • Gastric outlet obstruction: – Infantile hypertrophic pyloric stenosis • Heterotopias: – Gastric corpus mucosa (inlet patch, duodenal, Meckel’s, rectal) – Pancreatic tissue (gastric and duodenal wall and submucosa) – Brunner glands
Vascular Disorders • Congestive gastropathy and varices • Gastric antral vascular ectasis (GAVE) • Hereditary Hemorrhagic Telangiectasia (Osler-Weber-Rendu disease) • Sporadic telangiectasias • Caliber-persistent artery (Dieulafoy ulcer) • Arterio-venous malformations • Vasculitis • Atheroembolic disease • Amyloid vasculopathy
Page 1 and 2: Harvard-MIT Division of Health Scie
Page 3 and 4: Non-Neoplastic Diseases of the Stom
Page 5 and 6: Working Classification of Gastritis
Page 7 and 8: Helicobacter Pylori Gastritis • T
Page 9 and 10: Distributions of gastritis Antral (
Page 11 and 12: Environmental/Type B/Multifocal Atr
Page 13 and 14: Infections
Page 15 and 16: Lymphocytic Gastritis • Histopath
Page 17: Acute Gastritis • Acute infectiou
Page 21 and 22: Menetrier’s Disease • Hyperplas
Page 23: • Non-neoplastic - Hyperplastic p

Overview of Gastric Pathology: Non-Neoplastic Diseases

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