Pontomesencephalic angle

Last revised by Dr Yuranga Weerakkody on 04 Jun 2017

The pontomesencephalic angle has been described as an useful adjunct in the imaging diagnosis of intracranial hypotension. A normal value is 65˚ +/- 10˚, and a value less than 50˚ is suggestive of intracranial hypotension 1

Radiographic features

MRI
  • angle between two lines drawn along
    • anterior margin of the midbrain
    • anterosuperior margin of the pons

ADVERTISEMENT: Supporters see fewer/no ads

Cases and figures

  • Figure 1: normal
    Drag here to reorder.
  • Figure 2: decreased in intracranial hypotension
    Drag here to reorder.
  • Updating… Please wait.

     Unable to process the form. Check for errors and try again.

     Thank you for updating your details.