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• W2415856308 abstract "The value of endoscopic surveillance biopsy for dysplasia and carcinoma in patients with Barrett's esophagus is controversial. One reason is that the available histologic criteria are not adequate to separate patients with lesser degrees of dysplasia or predysplastic changes who are at increased risk for carcinoma and therefore require more frequent surveillance from those patients who are not at increased risk. We used flow cytometry and histology to evaluate 317 biopsy specimens from 64 consecutive patients who were in a cancer surveillance program for Barrett's esophagus and 3 additional patients with adenocarcinoma in Barrett's esophagus. Specimens from 10 patients had aneuploid cells; 9 of these had dysplasia or carcinoma, or both, but 1 patient had only specialized metaplastic epithelium. Twenty specimens ahd G2/tetraploid fractions greater than 6%; all 20 came from patients who had cancer or dysplasia, or were indefinite for dysplasia. All patients with dysplasia or adenocarcinoma had evidence of genomic instability (aneuploidy) or abnormalities of mucosal proliferation by flow cytometry, even when the dysplasia was focal or difficult to recognize histologically. In a small subset of patients with specialized metaplastic epithelium whose specimens were histologically negative or indefinite for dysplasia, the mucosa had aneuploid cell populations or proliferative abnormalities that were otherwise found only in dysplasia or carcinoma. Additional study may prove that this subset of patients merits more frequent endoscopic biopsy surveillance because of an increased risk for developing carcinoma. Because the abnormalities we have detected by flow cytometry correlate well with the conventional histologic diagnoses of dysplasia and carcinoma, they may prove to be a valuable objective adjunct in the diagnosis of dysplasia and carcinoma in Barrett's esophagus." @default.
• W2415856308 created "2016-06-24" @default.
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• W2415856308 date "1987-07-01" @default.
• W2415856308 modified "2023-10-16" @default.
• W2415856308 title "Barrett's esophagus" @default.
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• W2415856308 doi "https://doi.org/10.1016/0016-5085(87)90306-4" @default.
• W2415856308 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/3582897" @default.
• W2415856308 hasPublicationYear "1987" @default.
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