Celiac DiseaseEndarterectomy, CarotidCarotid StenosisAsymptomatic DiseasesGlutensGliadinDiet, Gluten-FreeTransglutaminasesReticulinDermatitis HerpetiformisDuodenumImmunoglobulin AJejunumIntestinal MucosaHLA-DQ AntigensBiopsyIntestine, SmallAutoantibodiesProlaminsAvena sativaInterleukin-18 Receptor beta SubunitDiet TherapyHLA-DR3 AntigenIgA DeficiencyHLA-DR7 AntigenAtrophyMalabsorption SyndromesDiet, Protein-RestrictedWheat HypersensitivitySerologic TestsLactuloseDuodenoscopyEndoscopy, GastrointestinalAntibodiesImmunoglobulin GAutoimmune DiseasesPrevalenceLymphoma, T-CellSteatorrheaDuodenitisCapsule EndoscopyJejunal NeoplasmsCase-Control StudiesJejunal DiseasesIntestinal NeoplasmsEnteropathy-Associated T-Cell LymphomaEnteritisEnzyme-Linked Immunosorbent AssayEnterocytesIntestinal DiseasesColitis, MicroscopicEndoscopy, Digestive System