Classification of gastritis1
Type of gastritis Aetiology
Non-atrophic Helicobacter pylori
Atrophic
C Autoimmune Autoimmunity
C Multifocal
atrophic
H. pylori, environmental insults
Special forms
C Chemical NSAIDs, bile? Other agents
C Radiation Radiation injury
C Lymphocytic Idiopathic, gluten, drugs (ticlopidine)?
H. pylori
C Non-infectious
granulomatous
Crohn’s disease, sarcoidosis, Wegener’s
granulomatosis and other vasculitides,
foreign substances, idiopathic
C Eosinophilic Food sensitivity? Other allergies
C Other infections Bacteria other than H. pylori (other gastric
helicobacters, mycobacteria and syphilis),
viruses (cytomegalovirus), fungi (Candida
spp., Histoplasma capsulatum, Mucoraceae)