peptic ulcer and helicobacter pylori

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Peptic Ulcer and Helicobacter pylori

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Peptic Ulcer and Helicobacter pylori

台⼤內科學:消化性潰瘍

▸ Helicobacter pylori

▸ NSAIDs

▸Robbins Cotran Pathologic Basis of Disease: The Gastrointestinal Tract

▸ HCO3-

▸Robbins Cotran Pathologic Basis of Disease: The Gastrointestinal Tract

Normal Injury Ulcer

Robbins Cotran Pathologic Basis of Disease: The Gastrointestinal Tract

the world’s human population has H. pylori infection

Recent developments in the epidemiology of Helicobacter pylori. Gastroenterol Clin North Am 2000

Gastric &Duodenal ulcer

Gastric caner

MALTlymphoma

0.1% - 3% 1% - 10% <0.01%

Robbins Cotran Pathologic Basis of Disease: The Gastrointestinal Tract

Adhesins

NF-κBAP-1

IL-8

Adhesins

NF-κB

AP-1

IL-8

Adhesins

IL-8

UreaseLPSPorins

PMN

Adhesins

NF-κB

AP-1

IL-8UreaseLPSPorins

IL-12

Th0 cell

Th1 cell

UreaseLPSPorins

IL-12

Th0 cell

Th1 cell

VacA

Disruption of epithelial barrier

TNF-αIL-1β

Apoptosis

Fas expression

Th0 cell

UreaseLPSPorins

IL-12 Th1 cell

VacA

Disruption of epithelial barrier

TNF-αIL-1β

Apoptosis

Fas expression

Increase gastrinsecretion

IFN-γ

Fundus

Body

Antrumgastrin

H+

H+

H+H+

Ulceration &gastric metaplasia

Helicobacter pylori Infection. NEJM clinical Practice

Normal gastric mucosa

Acute H. pylori infection

Chronic H. pylori infection

Antral- predominant gastritis

Non atrophic pangastritis

Corpus- predominant atrophic gastritis

Asymptomatic H. pylori infection

Duodenal ulcer

MALT lymphoma

Gastric ulcer

Gastric cancer

Helicobacter pylori Infection. NEJM Review Article

PGE2, PGI2

Robbins Cotran Pathologic Basis of Disease: The Gastrointestinal Tract

PGE2, PGI2

Robbins Cotran Pathologic Basis of Disease: The Gastrointestinal Tract

▸ Zollinger-Ellison syndrome (Gastrinoma)

▸ Antral G cell hyperfunction

▸ Basophilia in myeloproliferative disease

▸ Systemic mastocytosis

UpToDate:Etiologies and disease associations for peptic ulcer ;台⼤內科學:消化性潰瘍

UpToDate: Etiologies and disease associations for peptic ulcer

Annular pancreas

▸ PG

台⼤內科學:消化性潰瘍