Hot cross bun sign (pons)

A.Prof Frank Gaillard et al.

The hot cross bun sign refers to the MRI appearance of the pons in a variety of neurodegenerative diseases

T2 hyperintensity forms a cross on axial images through the pons, representing selective degeneration of pontocerebellar tracts. It has been described in 1:

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Article information

rID: 13008
Section: Signs
Synonyms or Alternate Spellings:

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Cases and figures

  • Figure 1: hot cross buns
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  • Case 1: MSA
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  • Case 2: JC virus granule cell neuronopathy
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  • Case 3: MSA
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  • Case 4: MSA
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