Atlas of Gastroenterological Endoscopy
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Classification of esophageal varices
Grade Endoscopic appearance
I. Dilated venes (< 5mm) still at the level of the surrounding tissue
II. Dilated, straight venes (> 5 mm) protruding into the esophageal lumen but bot obstructing it
III. Large, tense and winding venes already obstructing the esophageal lumen considerably
IV. near complete obstruction of the esophageal lumen with impending danger of hemorrhage (cherry red spots)