Presentation
For illustration purposes.
From the case:
Sonic the Hedgehog
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Image acquired from https://en.wikipedia.org/wiki/Sonic_the_Hedgehog_(character).
Image available under CC at this site.
Case Discussion
Sonic the Hedgehog is/was a popular computer game.
This name is assigned to a subtype of medulloblastoma, which is associated with mutations in the sonic the hedgehog (SHH) protein pathway.