Periaqueductal gray matter

Case contributed by Dr Coenraad J. Hattingh

Presentation

Healthy control subject.

Patient Data

Gender: Male

Axial T2WI through the midbrain

Modality: MRI

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

Modality: 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
Case created: 22nd Feb 2015
Last edited: 30th Sep 2015
Inclusion in quiz mode: Included

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