FISIOLOG

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FISIOLOGÍA DIGESTIVA (BCM II)
Clase 7 Gastritis y H. pylori
Dr. Michel Baró A.
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Gastritis overview of anatomy and histology
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Normal fundic mucosa
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General classification of gastritis
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Endoscopic erosive gastritis
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Erosive gastritis
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Gastritis anti inflamatorios no esteroidales y
aspirina (Gastropatía)
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Acute erosive hemorrhagic gastritis
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Endoscopic gastritis alcohol
Gastropatía hemorrágica alcohólica
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Alcoholic hemorrhagic gastritis histologic
features
Epitelio intacto Bandas Hemorrágicas intergland
ulares Edema Ausencia de Infiltrado
inflmatorio
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Chronic gastritis nonspecific gastritis (a)
TABLE 5 - 10A. CHRONIC GASTRITIS NONSPECIFIC
GASTRITIS - HELICOBACTER PYLORI
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Chronic gastritis nonspecific gastritis (b)
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Nonerosive nonspecific gastritis activity (a)
Gastritis crónica superficial, activa (infiltrado
neutrófilos y mononucleares)
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Nonerosive nonspecific gastritis activity (b)
Gastritis crónica superficial (infiltrado sólo
mononucleares)
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Foveolar hyperplasia
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Intestinal metaplasia
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Endocrine consequences of chronic atrophic
gastritis
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Enterochromaffin-like cell hyperplasia
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Distributions of nonerosive, nonspecific gastritis
Se asocia a la presencia de H. pylori Úlcera
duodenal 90 Úlcera gástrica 50-80
Anemia perniciosa Gastritis auto-inmune
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Serum pepsinogens and chronic gastritis
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Chronic gastritis specific or distinctive
gastritis
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Morphology and taxonomy
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Electron micrographs from Helicobacter
pylori-infected patient (A)
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Electron micrographs from Helicobacter
pylori-infected patient (B)
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Prevalence by age and country of origin (A)
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Prevalence by age and country of origin (B)
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Prevalence by ethnic group
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Clustering of organism within families
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Histologic stains (A)
Warthin.Starry
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Histologic stains (B)
Giemsa
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Histologic stains (C)
Acridina
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Histologic stains (D)
Gimenez
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Histologic stains (E)
Hematoxilina-eosina
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Urease
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Urea breath tests (C13 and C14)
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Rapid urease tests
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Tests for diagnosis of Helicobacter pylori can be
categorized
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Association of Helicobacter pylori with
gastrointestinal disease
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Helicobacter pylori and chronic active gastritis
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Antral (type B) gastritis
95 porta H. pylori
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Helicobacter pylori's initiation of mucosal
inflammation
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Pathway of Helicobacter pylori induction
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Lymphoid follicle
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Gastric metaplasia
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Histology of gastric metaplasia (A) (duodeno)
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Histology of gastric metaplasia (B)
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Helicobacter pylori and peptic ulcer disease
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Helicobacter pylori and peptic ulcer disease
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Helicobacter pylori and serum gastrin
concentrations
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Effect of Helicobacter Pylori eradication
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H. Pylori y carcinoma Epidemiology and
geographic data
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Stored sera were analyzed for Helicobacter pylori
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Characteristics of gross pathology
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Relationship of Helicobacter pylori to gastric
cancer
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Non-Hodgkin's lymphoma of the stomach
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Dense lymphoid infiltrate
Hiperplasia Folicular
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Lymphoepithelial lesion
Linfoma MALT (linfocitos B)
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Cytokeratin stains (A) Normal
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Cytokeratin stains (B) MALT lymphoma
Linfoma MALT (linfocitos B)
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Regression of gastric mucosa-associated lymphoid
tissue
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FIN