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Periaqueductal gray matter

Case contributed by Dr Coenraad Hattingh

Presentation

Healthy control subject.

Patient Data

Gender: Male
MRI

Axial T2WI through the midbrain

Normal study in the axial plane through the level midbrain demonstrating the cerebral aqueduct of Sylvius and the PAG.

Annotated image

Normal study in the axial plane through the level midbrain demonstrating the cerebral aqueduct of Sylvius and the PAG

  • a = high T2 signal indicating the PAG
  • b = flow void indicates the cerebral aqueduct of Sylvius

Case Discussion

T2WI demonstrates the periaqueductal gray (PAG) matter.

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Case information

rID: 34471
Published: 23rd Feb 2015
Last edited: 29th Nov 2019
Inclusion in quiz mode: Included

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