Venous distension sign of intracranial hypotension

Case contributed by Dr Stavroulis Manos

Presentation

Treatment-refractory headache for one month

Patient Data

Age: 50 years
Gender: Male
MRI

MRI 1.5 tesla + C

Bilateral symmetric subdural effusions with imaging intensity higher than the CSF and no signs of hemorrhage.

Homogeneous and symmetric dural enhancement. On the sagittal images, you can note a round shape of the inferior border of the transverse venous sinus (venous distension sign) and a reduction of the distance between the optic chiasma and the pituitary gland.

Case Discussion

Several features of intracranial hypotension are present in this case:

  • venous distension sign
  • diffuse enlargement of the subdural spaces without hemorrhage
    • subdural hematoma can occur later
  • diffuse dural enhancement
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Case information

rID: 22784
Published: 23rd Apr 2013
Last edited: 26th Nov 2019
Inclusion in quiz mode: Included

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