Endoscopical Observation of the Gastric Ulcer

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Abstract
195 round ulcers were examined once a month at least for the first three months. 152 healed keeping their original round shape (α course). 31 showed a short linear niche meeting at right angles with the lesser curvature (β course). 9 ulcers splitted into kissing ulcer (γ course) and 3 cases of a giant ulcer of the body of the stomach showed a linear niche in parallel to the lesser curvature (δ course). Ulcers taking the β or γ course are more apt to relapse. As far as the pathogenesis of the linear ulcer is concerned there are three patterns of development. 15% of all round ulcers are prone to heal in a linear fashion. In addition linear ulcers may be derived from the confluence of multiple ulcers and finally, a giant ulcer may become gradually linear as the mucous membrane around the ulcer covers its surface.

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