CG	Collagenous gastritis
IDA	Iron deficiency anemia
GI	Gastrointestinal
eos/HPF	Eosinophils/per high-power field
CT	Collagen thickness
PPI	Proton pump inhibitors
PCR	Polymerase chain reaction
ESPGHAN	European Society for Paediatric Gastroenterology, Hepatology and Nutrition
HPF	High-power field
RUT (CLO)	Rapid urease test
tTG	Tissue transglutaminase
IgA	Immunoglobulin A
EMA	Endomysium antibodies
IL	Interleukin
CRP	C-reactive protein
ESR	Erythrocyte sedimentation rate
ANA	Antinuclear antibodies
EoE	Eosinophilic esophagitis
EoG-SQ	Eosinophilic Gastritis Symptom Questionnaire
NASPGHAN	North American Society for Pediatric Gastroenterology, Hepatology and Nutrition