Atlas of Gastroenterological Endoscopy
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Polyp
Gastric polyp Gastric polyp after Argonplasma coagulation Clipping of the visible vessel in the stalk
1 week after polypectomy The sequence of pictures shows an ablation of a benign, gastric polyp with mild dysplasia. Prior to treatment the polyp is located in the prepyloric antrum. After diathermic ablation argon- plasma coagulation of the visible vessel is shown in the central picture. A recurrent (twice) hemorrhage necessitates the application of a metal clip (right picture). A week later the clips have fallen off, a small ulceration has not yet healed ( bottom left)