文档介绍：该【腹内疝CT表现演示文稿 】是由【知识徜徉土豆】上传分享，文档一共【19】页，该文档可以免费在线阅读，需要了解更多关于【腹内疝CT表现演示文稿 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。腹内疝CT表现演示文稿
第1页，共19页。
优选腹内疝CT表现
第2页，共19页。
CT images
第3页，共19页。
CT images
第4页，共19页。
Which findings are present?
Venous thrombosis ?
Mesenteric twisting?
Displaced bowel loops ?
×
√
√
第5页，共19页。
Which findings are present?
Within the left upper abdomen, there is thin sac filled with small bowel with swirling vessels identified within it.
第6页，共19页。
Which choice is the most likely diagnosis?
A, Paraduodenal hernia
 B, Foramen of Winslow hernia
 C, Transmesenteric hernia
 D, Trans omental hernia
 E, Congenital malrotation
第7页，共19页。
Paraduodenal Hernia
第8页，共19页。
What’s paraduodenal hernia
the most common type of internal hernia (53%)
congenital hernia, hernia sac
asymptomatic ,colicky epigastric or periumbilical pain
M:F=3:1 has left and right two subtypes ,the former accounts for about 3/4
第9页，共19页。
How paraduodenal hernia hapened
Left paraduodenal hernia occur when bowel prolapses through Landzert's fossa, an aperture present in approximately 2% of the population.
Landzert's fossa is located behind the ascending or fourth part of the duodenum and is formed by the lifting up of a peritoneal fold by the inferior mesenteric vein and ascending left colic artery as they run along the lateral side of the fossa.
第10页，共19页。