Pure autonomic failure presenting as Harlequin syndrome

We present a patient with unilateral anhidrosis, contralateral facial flushing and hyperhidrosis consistent with Harlequin syndrome that, over 6  years, progressed to PAF, suggesting that PAF may present with focal autonomic impairment prior to generalized autonomic failure.
Source: Autonomic Neuroscience: Basic and Clinical - Category: Neuroscience Authors: Source Type: research