MR angiographic demonstration of an intracranial aneurysm not seen on conventional angiography.
نویسندگان
چکیده
A patient with documented subarachnoid hemorrhage underwent conventional angiography, which was negative. MR angiography performed immediately after the conventional angiogram demonstrated a 4-mm anterior communicating artery aneurysm. This finding was confirmed 1 week later with repeat angiography, and the aneurysm was clipped surgically.
منابع مشابه
MR angiography with ultrashort echo time in cerebral aneurysms treated with Guglielmi detachable coils.
We evaluated a time-of-flight three-dimensional MR angiographic sequence with an ultrashort echo time for its ability to characterize the perfusional state of cerebral aneurysms that had been treated with Guglielmi detachable coils and to depict adjacent cerebral arteries. The results were compared with findings at conventional MR angiography and digital subtraction angiography. Adjacent vessel...
متن کاملCerebral Angiographic Findings in Non-Traumatic Intracranial Hemorrhage: A Single Center Experience in the West of Iran
Background and Aim: This study aimed at analyzing the demographic characteristics of the patients with non-traumatic intracranial hemorrhage, their angiographic results and the correlation between computed tomography (CT) scan and angiography findings. Methods and Materials/Patients: In a descriptive study, we retrospectively reviewed the records of the patients with non-traumatic intracranial...
متن کاملDiagnosis of intracranial aneurysms: accuracy of MR angiography at 0.5 T.
PURPOSE Our goal was to determine the accuracy of MR angiography at 0.5 T for the diagnosis of intracranial aneurysms. METHODS We retrospectively studied 140 patients, 70 with acute subarachnoid hemorrhage, who were either at high or low risk for intracranial aneurysm. Three-dimensional time-of-flight MR angiography was typically performed to cover the circle of Willis, with a volume thicknes...
متن کاملNoninvasive imaging of treated cerebral aneurysms, Part II: CT angiographic follow-up of surgically clipped aneurysms.
Although not useful for the evaluation of coiled aneurysms, CT angiography (CTA) is far superior to MR angiography (MRA) for the evaluation of aneurysms after surgical clipping. Using the latest multidetector row scanners and optimized imaging parameters, CTA can often effectively depict and follow small aneurysm remnants; demonstrate patency, stenosis, or vasospasm in the adjacent parent vesse...
متن کاملNoninvasive imaging of treated cerebral aneurysms, part I: MR angiographic follow-up of coiled aneurysms.
MRA is emerging as an alternative to conventional catheter based angiography for the assessment of aneurysms after endovascular treatment. Short TE and contrast enhanced MRA techniques can be applied to optimize image quality. We review the available data regarding the application of MR for the assessment of cerebral aneurysms after endovascular therapy.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- AJNR. American journal of neuroradiology
دوره 14 4 شماره
صفحات -
تاریخ انتشار 1993