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==Classification==
==Classification==


Classification by chronicity:
{|
:*'''Acute gastritis:''' a sudden [[inflammation]] of the lining of the [[stomach]].
!colspan="4" style="background:#4479BA; color: #FFFFFF;" align="center" + |'''Classification and grading of Gastritis: Updated Sydney System'''
:*'''Chronic gastritis:'''  inflammation of the lining of the stomach that persists for a long time.
|-
!colspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" + | Type of Gastritis
!style="background:#4479BA; color: #FFFFFF;" align="center" + |Etiology
!style="background:#4479BA; color: #FFFFFF;" align="center" + |Gastritis synonyms
|-
|colspan="2" style="background:#DCDCDC;" align="center" + | Non-atrophic
| style="background:#F5F5F5; + |
*Helicobacter pylori
*Other factors
| style="background:#F5F5F5; + |
*Superficial
*Diffuse antral gastritis (DAG)
*Chronic antral gastritis (CAG)
*Interstitial - follicular
*Hypersecretory
*Type B*
|-
|rowspan="4" style="background:#DCDCDC;" align="center" + |Atrophic
| style="background:#DCDCDC;" align="center" + |Autoimmune
| style="background:#F5F5F5; + |
*Autoimmunity
| style="background:#F5F5F5; + |
*Type A*
*Diffuse corporal
*Pernicious anemia-associated
|-
|rowspan="3" style="background:#DCDCDC;" align="center" + |Multifocal atrophic
| style="background:#F5F5F5; + |
*Helicobacter pylori
| style="background:#F5F5F5; + |
*Type B*, type AB*
|-
| style="background:#F5F5F5; + |
*Dietary
| style="background:#F5F5F5; + |
*Environmental
|-
| style="background:#F5F5F5; + |
*Environmental factors
| style="background:#F5F5F5; + |
*Metaplastic
|-
|rowspan="11" style="background:#DCDCDC;" align="center" + | Special forms
|rowspan="4" style="background:#DCDCDC;" align="center" + | Chemical
| style="background:#F5F5F5; + |
*Chemical irritation
| style="background:#F5F5F5; + |
*Reactive
|-
| style="background:#F5F5F5; + |
*Bile
| style="background:#F5F5F5; + |
*Reflux
|-
| style="background:#F5F5F5; + |
*NSAIDs
| style="background:#F5F5F5; + |
*NSAID
|-
| style="background:#F5F5F5; + |
*Other agents
| style="background:#F5F5F5; + |
*Type C
|-
| style="background:#DCDCDC;" align="center" + |Radiation
| style="background:#F5F5F5; + |
*Radiation injury
| style="background:#F5F5F5; + |
|-
| style="background:#DCDCDC;" align="center" + |Lymphocytic
| style="background:#F5F5F5; + |
*Idiopathic? Immune mechanisms
*Gluten
*Drug (ticlopidine)
*H. pylori
| style="background:#F5F5F5; + |
*Varioliform (endoscopic)
*Celiac disease-associated
|-
| style="background:#DCDCDC;" align="center" + |Noninfectious granulomatous
| style="background:#F5F5F5; + |
*Crohn's disease
*Sarcoidosis
*Granulomatosis with polyangiitis and other vasculitides
*Foreign substances
*Idiopathic
| style="background:#F5F5F5; + |
|-
| style="background:#DCDCDC;" align="center" + |Eosinophilic
| style="background:#F5F5F5; + |
*Food sensitivity
*Other allergies
| style="background:#F5F5F5; + |
*Allergic
|-
| style="background:#DCDCDC;" align="center" + |Other infectious gastritides
| style="background:#F5F5F5; + |
*Bacteria (other than H. pylori)
*Viruses
*Fungi
*Parasites
| style="background:#F5F5F5; + |
*Phlegmonous
|}


Classification by Updated Sydney System:


Classification by OLGA system:
{| style="border: 0px; font-size: 90%; margin: 3px;" align="center"
| colspan="4" style="background: #4479BA; text-align: center;" | {{fontcolor|#FFF|'''Classification and grading of gastritis: Updated Sydney System'''}}
|+
! colspan="2" rowspan="1" style="background: #4479BA; padding: 5px 5px;" | {{fontcolor|#FFFFFF|Type of gastritis}}
! colspan="1" rowspan="1" style="background: #4479BA; padding: 5px 5px;" | {{fontcolor|#FFFFFF|Etiologic factors}}
! colspan="1" rowspan="1" style="background: #4479BA; padding: 5px 5px;" | {{fontcolor|#FFFFFF|Gastritis synonyms}}
|-
| colspan="1" rowspan="5" style="background: #4479BA; padding: 5px 5px;" |{{fontcolor|#FFFFFF|Nonatrophic}}
| style="padding: 5px 5px; background: #F5F5F5;" |
*Helicobacter pylori
*Other factors
| style="padding: 5px 5px; background: #F5F5F5;" |
*Superficial
*Diffuse antral gastritis (DAG)
*Chronic antral gastritis (CAG)
*Interstitial - follicular
*Hypersecretory
*Type B*
|-
|}


==References==
==References==

Revision as of 16:56, 6 November 2017

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Overview

Gastritis may be classified according to chronicity, into two categories: acute and chronic. Gastritis may also be classified by pathology/pathophysiology into subtypes by proposed classification systems such as the updated Sydney system [*REF] or the Operative Link for Gastritis Assessment [OLGA] staging system [*REF].

Classification

Classification and grading of Gastritis: Updated Sydney System
Type of Gastritis Etiology Gastritis synonyms
Non-atrophic
  • Helicobacter pylori
  • Other factors
  • Superficial
  • Diffuse antral gastritis (DAG)
  • Chronic antral gastritis (CAG)
  • Interstitial - follicular
  • Hypersecretory
  • Type B*
Atrophic Autoimmune
  • Autoimmunity
  • Type A*
  • Diffuse corporal
  • Pernicious anemia-associated
Multifocal atrophic
  • Helicobacter pylori
  • Type B*, type AB*
  • Dietary
  • Environmental
  • Environmental factors
  • Metaplastic
Special forms Chemical
  • Chemical irritation
  • Reactive
  • Bile
  • Reflux
  • NSAIDs
  • NSAID
  • Other agents
  • Type C
Radiation
  • Radiation injury
Lymphocytic
  • Idiopathic? Immune mechanisms
  • Gluten
  • Drug (ticlopidine)
  • H. pylori
  • Varioliform (endoscopic)
  • Celiac disease-associated
Noninfectious granulomatous
  • Crohn's disease
  • Sarcoidosis
  • Granulomatosis with polyangiitis and other vasculitides
  • Foreign substances
  • Idiopathic
Eosinophilic
  • Food sensitivity
  • Other allergies
  • Allergic
Other infectious gastritides
  • Bacteria (other than H. pylori)
  • Viruses
  • Fungi
  • Parasites
  • Phlegmonous


Classification and grading of gastritis: Updated Sydney System
Type of gastritis Etiologic factors Gastritis synonyms
Nonatrophic
  • Helicobacter pylori
  • Other factors
  • Superficial
  • Diffuse antral gastritis (DAG)
  • Chronic antral gastritis (CAG)
  • Interstitial - follicular
  • Hypersecretory
  • Type B*

References

Template:WH Template:WS

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