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November-December 2016 Archives - AJNR News Digest

November-December 2016

ADULT BRAIN

Cerebral Venous Thrombosis: Diagnostic Accuracy of Combined, Dynamic and Static, Contrast-Enhanced 4D MR Venography

Stephan Meckel

I chose this topic because the neuroimaging diagnosis of cerebral venous thrombosis (CVT) may sometimes be hard to make for patients presenting at a chronic stage of thrombosis or in the presence of associated anatomic variants of the dural venous sinuses. In particular, chronic thrombosis of dural venous sinus may resemble a true … more »

ADULT BRAIN

Diagnostic Performance of Routine Brain MRI Sequences for Dural Venous Sinus Thrombosis

Pejman Jabehdar Maralani

Abnormal signal intensity in dural venous sinuses on routine brain MRIs that do not contain dedicated MR venogram (MRV) sequences is a common occurrence in daily practice. Loss of flow void on T2 or high signal on FLAIR in dural venous sinuses can be due to slow flow or the presence of … more »

ADULT BRAIN

CT Density Measurement and H:H Ratio Are Useful in Diagnosing Acute Cerebral Venous Sinus Thrombosis

Philippe Demaerel

In an emergency setting we almost daily get a request to exclude venous sinus thrombosis. The clinical presentation is often misleading.

MR imaging obviously has advantages (e.g., it does not require radiation and has higher temporal and spatial resolutions), but it cannot always be obtained during the night or over the weekend. CT … more »

ADULT BRAIN

Frequency of Adequate Contrast Opacification of the Major Intracranial Venous Structures with CT Angiography in the Setting of Intracerebral Hemorrhage: Comparison of 16- and 64-Section CT Angiography Techniques

Josser E. Delgado Almandoz

Pamela Schaefer

Dural venous sinus thrombosis as a cause of intracerebral hemorrhage (ICH) is often a difficult diagnosis to make due to nonspecific presenting symptoms and complex patterns of hemorrhage and edema on CT and MRI.

Prior to … more »

Interventional

Mechanical Thrombectomy in Cerebral Venous Thrombosis: Systematic Review of 185 Cases

Fazeel M. Siddiqui

Cerebral venous thrombosis (CVT) is a rare cause of stroke. Usual treatment includes anticoagulation, but there is a subset of patients who do not do well despite adequate anticoagulation. In those cases, CVT can rapidly progress to cause ischemic and hemorrhagic strokes, cerebral edema and mass effect, and eventually death. In … more »

Introduction

An Update on Cerebral Venous Thrombosis

Dr. Krishnamoorthy Thamburaj

From the days of limited knowledge through the autopsy series, imaging techniques have vastly expanded our understanding of almost every aspect of cerebral venous thrombosis (CVT), including demography, pathophysiology, clinical manifestations, treatment options, and outcome. CVT is responsible for only 0.5 to 1% of stroke; however, it is well known to … more »