11 September 2011

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.