الفهرس 
The assessment of I-scan endoscopic imaging in the diagnosis of gastritis and portal hypertensive gastropathy
CONTENTOnly 14 pages are availabe for public view
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Abstract
Gastritis: Defines any (histologically confirmed) inflammation of the gastric mucosa. Worldwide, the epidemiology of gastritis overlaps that of Helicobacter pylori infection, which affects approximately 50% of the world{u2019}s population. Portal hypertensive gastropathy occurs as a complication of cirrhotic or non-cirrhotic portal hypertension. PHG is clinically important because it may cause acute or chronic blood loss The aim of the current study was to investigate the value of I-scan in diagnosis portal hypertensive gastropathy and gastritis whether HP positive or negative. This study included 265 patients divided into four groups. group (1) included 12 normal subjects, group (2) 101 HP negative subjects with PHG, group (3) helicobacter pylori positive subjects with gastritis and group (4) helicobacter pylori negative subjects gastritis. Upper endoscopy was performed for all cases, first by WLE then we shifted to I scan technology. Two biopsies were taken, one from greater curvature of the body of stomach and the other from antrum). All patients were assessed clinically, biochemically, viral markers and by ultrasound. In the portal hypertensive gastropathy group, we found edematous mucosal pit pattern with congested subepithelial capillary net work and collecting venules with sensitivity above 90% and specificity 100%, in the helicobacter pylori positive gastritis we found that absnce of collecting venule and SECN had good sensitivity 93% and poor specificity 32%