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Cerebral Venous Sinus Thrombosis - Transverse and Sigmoid Sinus

A 36 year-old woman presented with headaches, seizures, and numbness affecting the right body.

Outline the Hemorrhagic Venous Infarction

MRI Scans. (Left) T1-weighted axial image; (Middle) T2-weighted axial image, (Right) Flair axial image. Note the lesion in the left temporal / parietal area. On T1, it is isodense to dark and dark on T2. This is the signal of an acute hematoma (dark signal is deoxyhemoglobin). In this case, this is a hemorrhagic venous infarct. The surrounding bright signal on T2 and Flair is vasogenic edema.

Last Update: 11/8/05
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