Abstract
The diagnostic usefulness of intraepithelial cells with irregular nuclear contours (CINC) (squiggle cells) in esophageal endoscopic biopsies was investigated in 76 children (range age: 6 months-12 years) with gastroesophageal reflux disease. A further 20 subjects (range age: 10 months-11 years) served as controls. Based on the microscopic changes of the esophagus, according to traditional histological criteria, four groups of patients were identified: esophagitis was severe in 27, moderate in 20, mild in 21, and 8 patients had no clear-cut evidence of microscopic esophagitis. Data are given as mean±sd. Intraepithelial CINC had an immunohistochemical profile consistent with T lymphocytes. Patients with severe esophagitis had a CINC density (number per high-power field) (9.0±3.5) significantly higher than patients with mild esophagitis (7.0±3.0) and those without evidence of microscopic esophagitis (6.5±1.9) (P<0.05), but not different from those with moderate esophagitis (8.0±3.6); in all patient groups the CINC density was higher than in controls (2.2±0.3) (P<0.01). The percentage of reflux at 24-hr intraesophageal pH monitoring was higher in severe esophagitis patients (11.4±6.0) as compared to the other groups (moderate: 7.8±6.3; mild: 6.5±3.6; no microscopic esophagitis: 6.3±2.0;P<0.05). There was no correlation between CINC density and the amount of intraesophageal acid exposure in all patients. Furthermore, 27 of our patients had a normal intraesophageal acid exposure at the prolonged pH test (24-hr % of reflux ≤4.5): the CINC density was significantly higher in them than in the controls. We conclude that intraepithelial CINC in esophageal endoscopic biopsies from children with reflux disease represent a sensitive and early criterion of esophageal mucosa damage; they should be scanned in addition to the traditional histological parameters of acid-related esophageal inflammation.
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Presented in an abstract form at the 28th Annual Meeting of the European Society of Paediatric Gastroenterology and Nutrition, Jerusalem, May 28–June 1, 1995.
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Cucchiara, S., D'Armiento, F., Alfieri, E. et al. Intraepithelial cells with irregular nuclear contours as a marker of esophagitis in children with gastroesophageal reflux disease. Digest Dis Sci 40, 2305–2311 (1995). https://doi.org/10.1007/BF02063229
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DOI: https://doi.org/10.1007/BF02063229