What is the earliest malignant lesion in the esophagus?

Cancer
K KitamuraK Sugimachi

Abstract

The incidence of early esophageal cancer is definitely increasing due to recent advances in diagnostics. When we discuss early carcinoma of the esophagus, however, there is still controversy as to whether dysplasia is either benign or the earliest malignant lesion. Nineteen resected esophaguses with both cancer and dysplasia (including 19 cancers concomitant with 26 dysplastic lesions) were studied for expression of p53 protein. Immunohistochemical overexpression of p53 protein in esophageal dysplasia is almost the same as that in cancer. Esophageal dysplasia should be recognized as the earliest malignant lesion which already demonstrates cancerous features although it is not immediately critical. A routine endoscopic Lugol's solution test is very useful for both detection and following-up of the early nests in the esophagus. These lesions are good candidates for endoscopic mucosal resection for the purpose of accurate diagnosis or curative treatment.

References

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Mar 1, 1990·The Annals of Thoracic Surgery·M B OrringerJ Bromberg
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Mar 15, 1995·Cancer·K SugimachiH Kuwano
Nov 1, 1994·Diseases of the Colon and Rectum·T YokotaS Yoshida

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Citations

Mar 10, 2006·Journal of Clinical Pathology·H ZhangE Li
Mar 27, 2013·Digestive Endoscopy : Official Journal of the Japan Gastroenterological Endoscopy Society·Yuichi ShimizuNaoya Sakamoto
Mar 30, 1999·International Journal of Cancer. Journal International Du Cancer·G Chen, M M Burger
Mar 1, 2002·Diseases of the Esophagus : Official Journal of the International Society for Diseases of the Esophagus·R B FagundesS G Barros
Jan 13, 2000·Diseases of the Esophagus : Official Journal of the International Society for Diseases of the Esophagus·C P FreitagJ C Prolla

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