Abstract:
BACKGROUND AND STUDY AIMS:The aim of the present study was to observe the endoscopic characteristics of cells on the surface layer of superficial esophageal carcinomas in vivo using an endocytoscopy system and to compare the findings with those in normal squamous epithelium. PATIENTS AND METHODS:Superficial esophageal cancers in 12 patients were examined with methylene blue staining using an endocytoscopy system. RESULTS:The endocytoscopy system and methylene blue staining made it possible to observe cells on the surface of the squamous epithelium in normal esophageal mucosa. Normal cells were arranged homogeneously, and the nucleus cytoplasm ratio was uniform and low. In esophageal cancers, the density of cells was found to be much greater than that in normal squamous epithelium. The cell distribution was also irregular and the cells were extremely heterogeneous, with the nuclei having different staining, size, and shape characteristics. The nucleus cytoplasm ratio was also very irregular. CONCLUSIONS:Examining esophageal tissue using the endocytoscopy system described here makes it possible to observe detailed histological alterations in esophageal lesions in vivo.
journal_name
Endoscopyjournal_title
Endoscopyauthors
Kumagai Y,Monma K,Kawada Kdoi
10.1055/s-2004-814533subject
Has Abstractpub_date
2004-07-01 00:00:00pages
590-4issue
7eissn
0013-726Xissn
1438-8812journal_volume
36pub_type
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