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Pedigree of the patient's family.
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F1
The patient's family history is illustrated in Figure 1.
T2 weighted cerebral magnetic resonance image. (A) No intraparenchymal signal alterations in the axial image. (B) Cerebellar atrophy, particularly of the vermis cerebelli.
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F2
Repeated cerebral magnetic resonance imaging (cMRIs) revealed cerebellar atrophy, particularly of the vermis cerebelli (Figure 2) without intraparenchymal signal alterations.
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