EURORAD ESR

Case 8877

Bilateral hypertrophic olivary degeneration secondary to pontine haemorrhage

Author(s)
Kavcic P, Vrabec M
 
Patient
male, 64 year(s)
 
 
  • Figure 1
    Head CT

    Acute hemorrhage in the dorsal pons on the right side.

     
    Area of Interest: Neuroradiology brain; Imaging Technique: CT; Special Focus: Haemorrhage;
     
     
  • Figure 2
    Axial T2-W image

    Hypointensity in the dorsal pontine tegmentum represents hemosiderin and ferritin deposits from the old hemorrhage.

     
    Area of Interest: Neuroradiology brain; Imaging Technique: MR; Special Focus: Haemorrhage;
     
     
  • Figure 3
    Axial T2-W and FLAIR-W image
     

    High signal intensity as well as focal enlargement of the right and left inferior olivary nucleus.

     
    Area of Interest: Neuroradiology brain; Imaging Technique: MR;

    Same as 3a.

     
    Area of Interest: Neuroradiology brain; Imaging Technique: MR;
     
     
  • Figure 4
    Sagittal T2-W image

    Sagittal T2-W image shows both the hypertrophy of the inferior olivary nucleus and the old haemorrhage in the dorsal pontine tegmentum (dark area).

     
    Area of Interest: Neuroradiology brain; Imaging Technique: MR;
     
     
  • Figure 5
    Guillain-Mollaret triangle

    The Guillain-Mollaret triangle.

     
     
     
Acute hemorrhage in the dorsal pons on the right side.
 
Hypointensity in the dorsal pontine tegmentum represents hemosiderin and ferritin deposits from the old hemorrhage.
 
High signal intensity as well as focal enlargement of the right and left inferior olivary nucleus.
 
Same as 3a.
 
Sagittal T2-W image shows both the hypertrophy of the inferior olivary nucleus and the old haemorrhage in the dorsal pontine tegmentum (dark area).
 
The Guillain-Mollaret triangle.
 
 
 
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