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Am J Dis Child. 1935;50(1):158-161. doi:10.1001/archpedi.1935.01970070167012.
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Judd1 in 1921 differentiated between duodenal ulcer and another duodenal lesion he proposed to designate as duodenitis. The true ulcer is characterized by a definite crater, an indurated border which is palpable and hyperemia and stippling of the peritoneal coat. The second variety produces hyperemia and stippling of the serosa, but the wall is not indurated and on palpation the duodenum is indistinguishable from one that is normal. On examination of the mucosa diffuse or local inflammation and at times one or more simple erosions may be found. McCarty2 in 1924 found microscopic cellular destruction, congestion and edema with migration of leukocytes, lymphocytes and endothelial leukocytes. Konjetzny3 concluded that duodenitis is an antecedent of duodenal ulcer since in a series of twenty-two cases of duodenal ulcers he found associated gastritis or duodenitis. This view has been opposed by others. Wellbrock4 from histopathologic studies concluded that there


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