Immune Checkpoint Inhibitor–Induced Upper Gastrointestinal Tract Inflammation Shows Morphologic Similarities to, but Is Immunologically Distinct From, Helicobacter pylori Gastritis and Celiac Disease
Irshaid L, Robert ME, Zhang X. Immune Checkpoint Inhibitor–Induced Upper Gastrointestinal Tract Inflammation Shows Morphologic Similarities to, but Is Immunologically Distinct From, Helicobacter pylori Gastritis and Celiac Disease. Archives Of Pathology & Laboratory Medicine 2020, 145: 191-200. PMID: 33501492, DOI: 10.5858/arpa.2019-0700-oa.Peer-Reviewed Original ResearchConceptsHelicobacter pylori gastritisUpper gastrointestinal tractCeliac diseasePylori gastritisCPI therapyCD8 ratioDuodenal biopsiesInflammatory changesLymphoid aggregatesGastrointestinal tractAnti-programmed death receptor-1/Anti-cytotoxic T-lymphocyteDeath receptor-1/Immune checkpoint inhibitor therapyImmune-related adverse eventsDeath ligand 1 antibodyColonic mucosal changesGastrointestinal tract inflammationLamina propria CD3Lamina propria inflammationUpper gastrointestinal biopsiesUpper gastrointestinal injuryCheckpoint inhibitor therapyH pylori gastritisCD8 T cellsMorphological spectrum of immune check‐point inhibitor therapy‐associated gastritis
Johncilla M, Grover S, Zhang X, Jain D, Srivastava A. Morphological spectrum of immune check‐point inhibitor therapy‐associated gastritis. Histopathology 2020, 76: 531-539. PMID: 31692018, DOI: 10.1111/his.14029.Peer-Reviewed Original ResearchConceptsImmune check-point inhibitor therapyCheck-point inhibitor therapyImmune-related adverse eventsImmune check point inhibitorsMorphological spectrumIntra-epithelial lymphocytosisCheck point inhibitorsChronic active gastritisInflammatory bowel diseaseMedical chart reviewCytotoxic T cellsDrug-induced gastritisPredominant histological patternDistribution of injuriesVariety of tumorsMechanism of actionSteroid therapyGastrointestinal injuryActive gastritisAdverse eventsChart reviewClinical suspicionMedication withdrawalBowel diseaseInhibitor therapy