Olfactory impairment in Wilson's disease.

DISCUSSION In the current cohort of WD patients with a clear, predominant neurological manifestation, we found that smell identification function was significantly impaired compared with matched, healthy controls; there was a higher frequency of moderate or severe hyposmia and anosmia in the patients with WD, although this difference in the severity of olfactory dysfunction did not reach statistical significance between the two groups ( p = .094).

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