ECR 2018 / C-2133
Hypertrophic olivary degeneration: a review of literature and presentation of cases
Congress: ECR 2018
Poster No.: C-2133
Type: Educational Exhibit
Keywords: Education and training, Arteriovenous malformations, Education, MR, Neuroradiology brain, Anatomy, Ischaemia / Infarction
Authors: M. Lopez-Arroyave, M. Vega, F. Restrepo, L. Garcia, A. Arbelaez; Medellin/CO
DOI:10.1594/ecr2018/C-2133

Background

Hypertrophic olivary degeneration is a transynaptic degeneration that occurs as a result of a lesion which damages the neuronal fibers of the dentate-rubro-olivary (DRO) pathway.  The DRO pathway is formed by the red nucleus, the ipsilateral inferior olivary nucleus, the contralateral dentate nucleus and the neuronal fibers connecting these nuclei. A triangular relationship between these three structures was originally described by French physicians Georges Guillain and Pierre Mollaret in 1931 and is therefore also known as the triangle of Guillain and Mollaret [1]. 

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