It is a serious medical condition that can cause prolonged morbidity and disability and generally requires treatment.
[1][3] Some patients with a non-vasculitic systemic disease or another illness such as infection or malignancy can subsequently develop vasculitic neuropathy as a direct consequence of the former illness; this is secondary vasculitic neuropathy.
A nerve biopsy is required in order to make the diagnosis of non-systemic vasculitic neuropathy.
Currently accepted subtypes are:[2][3] There is an ongoing debate over this categorisation, particularly its overlap with the condition non-diabetic radiculoplexus neuropathy.
[3] Diagnosis of a vasculitic neuropathy depends on whether the patient first presents with multiple symptoms pointing at a systemic disorder or else primary neuropathic complaints.