Abstract
Esophageal suction biopsies were taken in 24 subjects with proven gastroesophageal reflux, 12 subjects with suspected reflux, and 20 healthy controls. Sixty-two percent of the patients with proven reflux, 33% of the patients with suspected reflux, and 10% of the control subjects had neutrophilic and/or eosinophilic granulocytes in the lamina propria. Lymphocytes, plasma cells, and basophilic granulocytes were shown to be constituents of the normal esophageal mucosa. All epithelial dimensions showed marked individual variations in reflux patients and controls. The relative length of stromal papillae as expressed in percent of total epithelial thickness showed a linear correlation with relative basal cell thickness and an indirect linear correlation with epithelial thickness. Elongation of stromal papillae in proven reflux could only be demonstrated by arbitrary retrospective stratification of the data. Hyperplasia of the basal zone and thinning of the epithelium were not observed in the reflux patients. It is concluded that granulocytic infiltrates and not epithelial alterations are the most prominent histological finding in gastroesophageal reflux.
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Supported by Swiss National Foundation, Grant Research no. 3.298-0.74.
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Seefeld, U., Krejs, G.J., Siebenmann, R.E. et al. Esophageal histology in gastroesophageal reflux. Digest Dis Sci 22, 956–964 (1977). https://doi.org/10.1007/BF01076193
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DOI: https://doi.org/10.1007/BF01076193