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Radiology News


Progressive Supranuclear Palsy: MRI

PSP on MRI shows midbrain atrophy, normal pons. Case submitted by Dr MGK Murthy.

  • Humming bird sign or penguin sign, flattening or concave outline to the superior aspect of the midbrain 
  • Mickey mouse appearance: reduction of AP midline midbrain diameter, at the level of the superior colliculi
  • Morning glory sign: loss of the lateral convex margin of the tegmentum  

Progressive Supranuclear Palsy: MRI Reviewed by Sumer Sethi on Sunday, November 24, 2019 Rating: 5

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