Improved diagnosis of actively bleeding aneurysm on CT angiography using delayed CT images

被引：5

作者：

Kathuria, Sudhir ^{[1
,2
]}

Deveikis, John P. ^{[3
]}

Westesson, Per-Lennart ^{[3
]}

Gandhi, Dheeraj ^{[1
,2
]}

机构：

[1] Johns Hopkins Univ, Sch Med, Dept Radiol, Div Intervent Neuroradiol, Baltimore, MD 21205 USA

[2] Johns Hopkins Univ, Sch Med, Dept Neurol & Neurosurg, Div Intervent Neuroradiol, Baltimore, MD USA

[3] Univ Rochester, Med Ctr, Dept Imaging Sci, Div Diagnost & Intervent Neuroradiol, Rochester, NY 14642 USA

来源：

EUROPEAN JOURNAL OF RADIOLOGY | 2011年 / 79卷 / 02期

关键词：

CT angiography; Active bleeding; Aneurysm; Delayed imaging; PRESSURE CHANGES; EXTRAVASATION; TOMOGRAPHY; HEMORRHAGE; RUPTURE;

D O I：

10.1016/j.ejrad.2010.01.020

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

Computed tomographic angiography (CTA) is being increasingly utilized in the non-invasive diagnosis of aneurysmal subarachnoid hemorrhage (SAH). There are emerging reports of diagnosis of active aneurysmal bleeding on CTA, furthering our understanding of imaging features of active extravasation on cross-sectional studies. We demonstrate imaging characteristics of two such cases of active contrast extravasation from intracranial aneurysms. Additionally, we demonstrate that delayed CT images greatly improve the confidence of this diagnosis by demonstrating pooling of contrast in the subarachnoid space. Prompt recognition and management can improve prognosis of this potentially lethal condition. (C) 2010 Elsevier Ireland Ltd. All rights reserved.

引用

页码：328 / 331

页数：4

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