CT Manifestations of Ruptured Abdominal Aortic Aneurysms

Kun Eng Lim, Chau Ran Wang, Chi-Jen Chen, Kung Cho Chin, Hsu-Yuan Yu

Research output: Contribution to journalArticle

Abstract

Computed tomography (CT) appearances of ruptured abdominal aortic aneurysms (AAAs) were reviewed and correlated with surgical findings in eleven patients. All aneurysms were located in the lower abdominal aorta, measuring 4-11 cm in diameter. In ten of the eleven patients, CT depicted a large aneurysm and the presence of ill- defined retroperitoneal fluid collection of high density. Within the retroperitoneum, the high- density fluid formed primarily in posterior pararenal and perirenal spaces. In the eleventh patient, only a small focal periaortic blood collection near the aneurysm was demonstrated. Focal area of indistinctness in the aortic wall, at the site of rupture was found in seven patients. All these patients underwent immediate surgery, which confirmed the site of aneurysm, presence of rupture, and the location of retroperitoneal blood.
Translated title of the contribution破裂性主動脈瘤電腦斷層表現
Original languageEnglish
Pages (from-to)241-245
Number of pages5
JournalChinese Journal of Radiology
Volume21
Issue number5
Publication statusPublished - 1996
Externally publishedYes

Keywords

  • 動脈瘤,主動脈
  • 動脈瘤,電腦斷層
  • Aneurysm, aortic
  • Aneurysm, CT

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