نتایج جستجو برای: venography
تعداد نتایج: 1679 فیلتر نتایج به سال:
Introduction: Cerebral Venous Thrombosis (CVT) is a relatively uncommon condition whose presentation varied. The diagnostic imaging features can be subtle. correct diagnosis of CVT relies on neuroimaging Non Contrast Computed Tomography (NCCT), CT Venography (CTV), Magnetic Resonance Imaging (MRI), MR (MRV). Aim: To compare 128 slice Multidetector (MDCT) venography and MRV in CVT, taking as gol...
and commentary also appear in ACP Journal Club. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . For correspondence: Dr S W Heim, University of Virginia Health System, Charlottesville, VA, USA. [email protected] Source of funding: US Department of Health and Human Services. Factors associated with the performance (diagnos...
Although 3D-CT angiography provides valuable anatomic information regarding lesion and their surrounding vessels and bony structures, it cannot demonstrate lesions, arteries, and veins, separately. The separate demonstration of arterial-phase 3D-CT angiography (3D-CT arteriography) and venous-phase 3D-CT angiography (3D-CT venography) will facilitate the understanding of the vascular anatomy wi...
This is a case report of a patient with difficult venous access following thrombosis of major superficial and deep veins of the limbs as documented by ultrasound doppler and venography. The insertion of a few central ports were infected and the vein thrombosed. Venography revealed that central venous access was no longer feasible. The previous laparotomies had resulted in dense intra-peritoneal...
OBJECTIVE To evaluate the image characteristics of subtraction magnetic resonance venography (SMRV) from time-resolved contrast-enhanced MR angiography (TRMRA) compared with phase-contrast MR venography (PCMRV) and single-phase contrast-enhanced MR venography (CEMRV). MATERIALS AND METHODS Twenty-one patients who underwent brain MR venography (MRV) using standard protocols (PCMRV, CEMRV, and ...
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