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Dural sinus thrombosis and venous infarction associated with antiphospholipid antibodies: MR findings
J M Provenzale1, H A Loganbill
1Department of Radiology, Duke University Medical Center, Durham, North Carolina 27710.
Objective:
Our goal was to describe the neuroradiologic findings in hemorrhagic venous infarction related to a hypercoagulable state caused by antiphospholipid antibodies (aPA).
Materials And Methods:
Magnetic resonance imaging was performed on two patients with superior sagittal thrombosis related to the presence of aPA.
Results:
A parenchymal region of hyperintense signal due to hemorrhagic venous infarction was demonstrated in both patients, along with abnormal signal within the thrombosed superior sagittal sinus.
Conclusion:
Hemorrhagic venous infarction may result from the hypercoagulable state related to aPA. The presence of these antibodies should be considered in the setting of otherwise unexplained dural sinus thrombosis and/or venous infarction.