Annals of clinical and laboratory science · 2021
Lymphocytic Esophagitis Is Not Similar to Eosinophilic Esophagitis Except for Seasonal Variation.
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Avila Meera, Ambelil Manju, Tong Yi, Khurana Shruti, Abraham Fiyinfoluwa, Ertan Atilla, Thosani Nirav C, DuPont Andrew W, Cash Brooks D, Younes Mamoun
Аннотация
OBJECTIVE: Unlike eosinophilic esophagitis (EoE), there is no consensus on the minimum number of intraepithelial lymphocytes (IEL) that is diagnostic of lymphocytic esophagitis (LyE). The aim of this study was to determine whether significant correlations exist between the numbers of intraepithelial lymphocytes (IEL) in esophageal biopsies and clinical and endoscopic manifestations usually associated with EoE.
METHODS: H&E slides from esophageal biopsies from 330 patients were reviewed. The number of IEL and intraepithelial eosinophils (IEE) per mm2 was counted in the area with the highest concentration in each biopsy. The numbers were then correlated with clinical and endoscopic findings.
RESULTS: As expected, a higher number of IEE was significantly associated with food impaction (p=0.001), dysphagia (p=0.021), esophageal stricture (p=0.017), rings (P<0.0001), and furrows (p<0.0001). By contrast, there was no significant association between increased IEL and any of the aforementioned clinical and endoscopic features in the original 330 patients or in a subset of 233 patients with no IEE. Interestingly, the number of both IEE and IEL varied significantly by the season when the biopsy was obtained, being lowest in the fall and highest in the spring (p=0002 for IEE and p<0.0001 for IEL).
CONCLUSION: In esophageal biopsies, increased IEL has no significant correlation with food impaction or dysphagia or with esophageal stricture, rings, or furrows. There is significant variation in the number of IEL depending on the season when the biopsy is obtained, which has not been previously reported.
METHODS: H&E slides from esophageal biopsies from 330 patients were reviewed. The number of IEL and intraepithelial eosinophils (IEE) per mm2 was counted in the area with the highest concentration in each biopsy. The numbers were then correlated with clinical and endoscopic findings.
RESULTS: As expected, a higher number of IEE was significantly associated with food impaction (p=0.001), dysphagia (p=0.021), esophageal stricture (p=0.017), rings (P<0.0001), and furrows (p<0.0001). By contrast, there was no significant association between increased IEL and any of the aforementioned clinical and endoscopic features in the original 330 patients or in a subset of 233 patients with no IEE. Interestingly, the number of both IEE and IEL varied significantly by the season when the biopsy was obtained, being lowest in the fall and highest in the spring (p=0002 for IEE and p<0.0001 for IEL).
CONCLUSION: In esophageal biopsies, increased IEL has no significant correlation with food impaction or dysphagia or with esophageal stricture, rings, or furrows. There is significant variation in the number of IEL depending on the season when the biopsy is obtained, which has not been previously reported.