Hot Cross Bun - MSA
Note high signal intensity configuration in the pons that resembles a cross, or as some see it a Hot Cross Bun. This is a sign of MSA - Multiple System Atrophy. In this case MSA-c variant that involves mainly infratentorial structures. Note extensive atrophy in pons and cerebellum.
Above image shows a Hot Cross Bun example - image courtesy of Bakery Jasiek.
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