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  • Title: Ruptured abdominal aortic aneurysm in computed tomography.
    Author: Pasławski M, Złomaniec J, Gwizdak J, Szafranek J.
    Journal: Ann Univ Mariae Curie Sklodowska Med; 2004; 59(2):308-12. PubMed ID: 16146098.
    Abstract:
    The aim of the study is presentation the usefulness of CT examination in evaluation of ruptured abdominal aortic aneurysms. Material comprises a group of six patients (two women and four men) aged 52-79 years, examined in the 2nd Department of Radiology, Medical University of Lublin between the year 1997 and 2002. In all patients US examination and CT was performed. USG was performed with a Hitachi EUB 410 apparatus. CT was performed with Somatom AR. T scanner by Siemens, with two matrixes, 512 x 512 and 320 x 320 pixels. High resolution reconstruction algorithm was used with the possibility of performing spatial reformations. Five- and 10 mm-axial sections were performed before and after administering of contrast agents. Delayed scans were performed to reveal extravasations of the contrast agent. In three cases axial sections and MPR reconstructions revealed the presence of the periaortic haematoma with active extravasation of the contrasted blood. The ruptured aneurysm in two cases was associated with extensive retroperitoneal haematoma. The periaortic haematoma extended along the wall of the aneurysm. In one case the haematoma was localized mainly in front of aorta. In one case of aneurysm of abdominal aorta and iliac arteries, the rupture or left iliac artery with large retroperitoneal haematoma in the pelvis and intensive extravasation of contrasted blood was seen. The US examination with Power Doppler and Duplex facilitate in three cases evaluation of aneurysm localization. The rupture of abdominal aortic aneurysm is life-threatening condition, in vast majority of cases resulting in patient's death. In cases of acute rupture the clinical symptoms and CT examination of stable patients are essential. In chronic rupture the early diagnosis is very important. The main role plays CT examination, which enables revealing of the aneurysm, precise evaluation of the leakage, retroperitoneal haematoma, vertebral destruction and dislocation of aorta and kidneys.
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