In this study, the focus is on midbrain magnetic resonance imaging morphometric measures (transverse diameter of the midbrain peduncle [Tp], transverse diameter of the tegmentum, anteroposterior diameter of the midbrain, interpeduncular distance [IPD], and interpeduncular angle [IPA]) in a group of 47 consecutive patients with neurologic (37 patients) and hepatic (10 patients) forms of Wilson disease (WD). Morphometric measures were significantly different between the group of patients with WD and healthy controls (51 subjects) as well as patients with Parkinson disease (15 patients) and multiple sclerosis (15 patients). Among the studied variables, IPA, Tp, and IPD were particularly useful in differentiating patients from healthy subjects (probability reaching 93%).
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Semnic et al. (2005) studied this question.
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