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3 lis 2022 · The Z line in the esophagus is the term for a faint zig-zag impression at the gastro-esophageal junction that demarcates the transition between the stratified squamous epithelium in the esophagus and the intestinal epithelium of the gastric cardia (the squamocolumnar junction).
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- Photo 1: Gastroesophageal Squamocolumnar Junction
This image shows the normal abrupt demarcation between the...
- Case 1a
The normal squamocolumnar junction can be seen in the distal...
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Endoscopic appearance of the Z-line at the gastro-esophageal squamous-columnar junction has been classified as Z-line appearance (ZAP) grading system.1 The four graded ZAP grading system has been shown to correlate with the presence of intestinal metaplasia (IM) and the immunohistochemical cytokeratin 7/20 staining pattern at lower esophagus in ...
8 sie 2023 · The squamocolumnar junction, also referred as Z-line, is the area where the squamous epithelial lining of the esophagus (pale pink colored) meets the columnar lining mucosa of the stomach (salmon-colored).
18 mar 2019 · We highlight the common anatomical landmarks of the upper gastrointestinal tract (Table 1, Figure 2) and endoscopic techniques for successful esophageal intubation, gastric retroflexion, duodenal access and tissue sampling using biopsy forceps.
Download scientific diagram | Standard landmarks of upper-GI tract: A, Z-line; B, gastric cardia; C, fundus; D, body; E, angulus; F, antrum; G, pylorus; H, duodenal papilla. from...
23 cze 2019 · The Z line is an irregular serrated line that demarcates the squamocolumnar mucosal junction. The Z line can sometimes be recognized on double-contrast esophagograms as a thin radiolucent stripe in the distal esophagus with a characteristic zigzag appearance ( Fig. 26-2 ).
There are at present two classification systems used to report the extent of endoscopic CLE in a standardized man-ner, one qualitative and one quantitative. The qualitative ZAP (Z-line appearance) classification evaluates the endo-scopic appearance of the Z-line, and it has been associated both with the prevalence of IM, as well as with GER [11 ...
