Teaching Neuro Images Neurology Resident and Fellow Section 2017 American Academy of Neurology History of posterior circulation stroke 4 months earlier due to hypertension Spastic quadriplegia ID: 777402
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Slide1
A 40 YEAR OLD COMATOSE MALE WITH PALATAL MYOCLONUS
Teaching NeuroImages
NeurologyResident and Fellow Section
© 2017 American Academy of Neurology
Slide2History of posterior circulation stroke 4 months earlier due to hypertensionSpastic quadriplegia
Bilateral extensor plantar reflex and Palatal myoclonus Vignette
Venkatesh et al.
© 2017 American Academy of Neurology
Slide3Venkatesh et al.
Imaging
© 2017 American Academy of Neurology
Slide4Venkatesh et al.
Imaging
© 2017 American Academy of Neurology
Slide5Bilateral hypertrophic olivary degeneration following posterior circulation stroke
Hypertrophic olivary degeneration is a transsynaptic degeneration involving interconnecting fibers of inferior olivary nucleus, red nucleus and contralateral dentate nucleus forming three corners of Guillian-Mollaret triangle.1,2 Symmetrical enlargement and T2 hyperintense olives helps in differentiating this entity from demyelination, tumors and inflammatory processes.
© 2017 American Academy of Neurology Venkatesh et al.