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Fig. 1 | BMC Neurology

Fig. 1

From: Vertical pons hyperintensity and hot cross bun sign in cerebellar-type multiple system atrophy and spinocerebellar ataxia type 3

Fig. 1

Three grades of the hot cross bun (HCB) sign on magnetic resonance imaging. a Grade 0 (negative) HCB sign in a 74-year-old woman with cerebellar-type multiple system atrophy (MSA-C) with a disease duration of 0.3 years. There is no signal change in the ventral pons. b Grade 1 HCB sign in a 74-year-old woman with MSA-C with a disease duration of 2.3 years. A vertical T2 high-intensity line is clearly seen in the ventral pons. c Grade 2 HCB sign in a 61-year-old man with MSA-C with a disease duration of 2.3 years. Both horizontal and vertical lines are clearly seen in the ventral pons. d Grade 2 HCB sign in a 75-year-old woman with SCA3 with a disease duration of 8.2 years. Both horizontal and vertical lines are clearly seen in the ventral pons

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BMC Neurology

ISSN: 1471-2377

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