Hypertrophic olivary degeneration

Case contributed by Frank Gaillard
Diagnosis probable
  • Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
Axial
T1
Axial
Gradient Echo
Axial
FLAIR
Axial
T2
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Info

Cavernous malformation of midbrain resulting in bilateral (right > left) increased T2 signal and slight mass effect of the inferior olivary nuclei, suggesting the diagnosis of hypertrophic olivary degeneration.

Case Discussion

This case is subtle and may be unilateral (right only), although increased T2 signal is seen in both olives. Palatal myoclonus would help confirm the diagnosis. 

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