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Small fiber dysfunction in patients with Wilson's disease

Disfunção de fibras finas em pacientes com doença de Wilson

Objective:

Patients with Wilson’s disease (WD) may develop a wide variety of neuropsychiatric symptoms, but there are few reports of autonomic dysfunction. Here, we described evidence of small fiber and/or autonomic dysfunction in 4 patients with WD and levodopa-responsive parkinsonism.

Method:

We reviewed the charts of 4 patients with WD who underwent evaluation for the presence of neuromuscular dysfunction and water-induced skin wrinkling test (SWT).

Results:

Two men and 2 women (33±3.5 years) with WD were evaluated. They all had parkinsonism at some point during their disease course. Parkinsonism on patient 4 almost completely subsided with treatment of WD. Two patients had significant sensory and 2 significant autonomic complaints, including syncopal spells. NCS/EMG was normal in all but SWT was abnormal in half of them (mean 4-digit wrinkling of 0.25 and 1).

Discussion:

A subset of patients with WD exhibit evidence of abnormal skin wrinkling test (small fiber neuropathy).

autonomic nervous system diseases; small fiber neuropathy; Wilson's disease


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