Cerebral vein thrombosis: internal

Case contributed by A.Prof Frank Gaillard

CT brain

Modality: CT

Non-contrast CT of the brain demonstrate hyperdense internal cerebral veins, vein of Galen and straight sinus. Note the bilateral thalamic oedema  most marked on the right.  A region of low attenuation in the right parietal region is old (seen on previous scans - not shown). 

CT venogram

Modality: CT

CT venogram confirms absence of enhancement of the internal cerebral veins, vein of Galen and straight sinus.

CT brain: 1 day later

Modality: CT

Single image through the brain obtained the next day demonstrates prominent low density change involving both thalami and basal ganglia. Hyperdense viens are again seen. 

CT brain: 2 days later

Modality: CT

A right sided thalamic venous haemorrhage has developed. 

Case Discussion

Internal cerebral vein thrombosis can be difficult to identify if the reporting radiologist is not familiar with the condition and should be suspected in cases of bilateral thalamic oedema. 

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Case Information

rID: 4409
Case created: 20th Aug 2008
Last edited: 22nd Oct 2015
Inclusion in quiz mode: Included

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