Evaluation of quantitative digital pathology in the assessment of barrett esophagus-associated dysplasia

  • El Hallani S
  • Guillaud M
  • Korbelik J
 et al. 
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Objectives: Barrett esophagus (BE) is a precursor lesion that confers an increased risk of esophageal adenocarcinoma. Two issues confront the diagnosis of patients with BE: (1) sampling error at the time of endoscopy and (2) variability among pathologists in grading dysplasia. The purpose of our study was to evaluate quantitative digital pathology (QDP) as a marker of dysplasia and stratification from low-grade to high-grade dysplasia to intramucosal adenocarcinoma in BE. Methods: Sixty-one esophageal biopsy specimens with BE were selected and divided into six groups according to the dysplasia grade. QDP image analysis was carried out by an in-house automated quantitative system on sections. The values of 110 nuclear features that analyze the morphology and chromatin texture were generated for each nucleus. Results: A progressive correlation was found between nuclear morphometric features and chromatin features with BE dysplasia. The chromatin texture was the best discriminator of the class diagnosis. There was a significant difference between the chromatin features of isolated low-grade dysplasia vs low-grade dysplasia that was associated with higher grade lesions in other biopsy tissue fragments.

Author-supplied keywords

  • Barrett esophagus
  • Dysplasia
  • Quantitative pathology

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  • Soufiane El Hallani

  • Martial Guillaud

  • Jakoda Korbelik

  • Esmeralda Celia Marginean

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