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Cerebral Venous Sinus Thrombosis - Sagittal Sinus

A 18 year-old woman presented with headaches followed by lethargy and coma. On examination, she had papilledema. To a painful stimulus, she withdrew the left side better than the right.

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Axial T2-weighted MRI scans. Note the abnormal high signal in both hemispheres, more prominent of the left, associated with mass effect. The distribution of the lesion is bilateral, frontal > parietal and paracentral. Although not specific, this pattern is consistent venous infarctions from thrombosis of the superior sagittal sinus.

Revised 05/04/06.
The Electronic Curriculum is copyrighted 1998,  Case Western Reserve University School of Medicine.