Citation, DOI & article data
Citation:
Gaillard, F., Deng, F. Hot cross bun sign (pons). Reference article, Radiopaedia.org. (accessed on 08 Aug 2022) https://doi.org/10.53347/rID-13008
The hot cross bun sign refers to the MRI appearance of the pons when T2 hyperintensity forms a cross on axial images, representing selective degeneration of transverse pontocerebellar tracts and median pontine raphe nuclei. It has been described in a variety of neurodegenerative diseases 1:
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