PMC5619536_01
Action tremor seen when drawing the Archimedes' spiral.
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He scored 20 on the Mini-mental State Examination (MMSE), a low score given his 16 years of schooling, in spite of his incapacity for drawing or writing because of the tremor (Figure 1).
Hyperintensities in both middle cerebellar peduncles seen in T2 (A) and
in FLAIR acquisitions(B); ventricle dilatation, hyperintensities in
periventricular white matter and in splenium of corpus callosum in
FLAIR(C); hyperintensities in the periventricular and brain white
matter, ventricle dilatation and brain atrophy in FLAIR (D,E); arrow
pointing to a possible vermian infarction in FLAIR (F).
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T2 and FLAIR white matter hyperintensities were found in both superior and infratentorial compartments, with a distinct distribution, being symmetrical in the middle cerebellar peduncles (MCP), splenium of the corpus callosum, middle pontine region and periaqueductal grey matter - and most of the bi-hemispheric white matter and periventricular regions (Figure 2). These lesions did not exhibit contrast enhancement and had no corresponding MR signal alterations on the Magnetization Transfer Contrast images.