Wrist drop in an arcade dancing game: unusual sudden bilateral radial palsy

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Bilateral radial palsy is an uncommon clinical presentation, and the few cases reported in the literature are due to compressive injuries, such as in the use of axillary crutch [1] or birthing bar during labour [2]. Non-compressive demyelinated inflammatory mononeuropathy has been reported [3] but it is not of sudden onset nor does it present bilaterally simultaneously. One of the largest series of radial palsy describes 103 cases of which only 3 were bilateral: one was a bilateral sleep palsy, one was a mononeuropathy multiplex associated to HIV infection and the third was entrapment in the supinator channel associated with neuropathy of unclear origin [4].

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