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Reversible MR Imaging Abnormalities following Cerebral Venous Thrombosis

Carina Röttgera, Susan Trittmacherb, Tibo Gerrietsa, Franz Blaesa, Manfred Kapsa and Erwin Stolza

a Department of Neurology Justus-Liebig–University, Giessen, Germany
b Department of Neuroradiology, Justus-Liebig–University, Giessen, Germany



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  		FIG 1. Time course of the T2 lesion volume reduction in the individual patients.



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  		FIG 2. Venous cerebellar infarct due to transverse sinus thrombosis in a 56-year-old woman with partial obstruction of the superior sagittal sinus and partial thrombosis of the transverse sinuses.

A and B, T2-weighted MR image (A) and 3D time-of-flight MR angiogram (B) obtained on admission show the venous cerebellar infarct and transverse sinus thrombosis, respectively.

C and D, Follow-up MR images obtained after 6 months. Despite persistent partial obstruction of the transverse sinus (D), near complete resolution is noted of the volume of the T2 lesion (C).



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  		FIG 3. Venous temporal infarct in a 37-year-old woman.

A and B, T2-weighted MR image (A) and 3D time-of-flight MR angiogram (B) obtained on admission show a venous infarct in the temporal lobe due to thrombosis of the transverse sinus. Thrombosis of the superior sagittal sinus caused no infarct.

C–E, Follow-up MR images obtained after 12 months show that despite persistent occlusion of the transverse sinus (D and E) and only partial recanalization of the superior sagittal sinus, the volume of the venous infarct decreased substantially (C) at follow-up.



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  		FIG 4. Venous infarct in the temporo-occipital region in a 43-year-old woman.

A and B, T2-weighted MR image (A) and 3D time-of-flight MR angiogram (B) obtained on admission. The MR angiogram shows a thrombosis of the transverse sinus.

C and D, Follow-up MR images obtained after 3 months show total resolution of the parenchymal lesion (C) despite persistent occlusion of the transverse sinus (D).



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  		FIG 5. Venous infarct due to cortical vein thrombosis in a 27-year-old woman.

A, T2-weighted MR image obtained on admission shows the venous infarct due to cortical vein thrombosis.

B, Conventional angiography on admission shows a right parietal cortical vein thrombosis.

C, Follow-up T2-weighted MR image obtained after 3 months shows total resolution of the initial lesion. In this case, no analysis regarding recanalization was performed.



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  		FIG 6. Hemorrhagic venous infarct due to thrombosis of the superior sagittal sinus in a 66-year-old man.

A and B, T2-weighted MR image (A) and MR angiogram (B) show a parenchymal lesion due to a superior sagittal sinus thrombosis. The patient also had a second infarct (not shown).

C and D, Follow-up MR images show recanalization of the superior sagittal sinus (D) and decrease of total lesion volume by 74% (C).





Copyright © 2008 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X