P-ANCA vasculitic neuropathy with 12-year latency between onset of neuropathy and systemic symptoms

Background The differential diagnosis of chronic progressive multifocal asymmetric neuropathies is challenging. Vasculitic neuropathies, multifocal forms of chronic inflammatory demyelinating polyneuropathy, multifocal motor neuropathies, and asymmetric lower motor neuron disorders are important considerations.Case presentation We report a patient with an unusually long 12-year course of nonsystemic vasculitic neuropathy prior to the development of systemic manifestations.Conclusion We discuss some of the difficulties involved in the diagnosis of chronic progressive multifocal asymmetric neuropathies.