{"title":"十二指肠假性息肉:关键孔征。","authors":"E Q Seymour","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Pseudolesions in the duodenal bulb are produced by barium surrounding and entrapped in contiguous parallel duodenal folds. A typical defect with a \"key hole\" sign identifies the majority of these pseudolesions allowing for the radiological exclusion of true polypoid masses in the duodenal cap. The filling defects disappear with peristalsis or with distention of the duodenal bulb with air.</p>","PeriodicalId":76463,"journal":{"name":"Revista interamericana de radiologia","volume":"4 4","pages":"189-91"},"PeriodicalIF":0.0000,"publicationDate":"1979-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Duodenal pseudolesions: the key hole sign.\",\"authors\":\"E Q Seymour\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Pseudolesions in the duodenal bulb are produced by barium surrounding and entrapped in contiguous parallel duodenal folds. A typical defect with a \\\"key hole\\\" sign identifies the majority of these pseudolesions allowing for the radiological exclusion of true polypoid masses in the duodenal cap. The filling defects disappear with peristalsis or with distention of the duodenal bulb with air.</p>\",\"PeriodicalId\":76463,\"journal\":{\"name\":\"Revista interamericana de radiologia\",\"volume\":\"4 4\",\"pages\":\"189-91\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1979-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Revista interamericana de radiologia\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Revista interamericana de radiologia","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Pseudolesions in the duodenal bulb are produced by barium surrounding and entrapped in contiguous parallel duodenal folds. A typical defect with a "key hole" sign identifies the majority of these pseudolesions allowing for the radiological exclusion of true polypoid masses in the duodenal cap. The filling defects disappear with peristalsis or with distention of the duodenal bulb with air.
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