Practical neurology
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Practical neurology · Apr 2014
Case ReportsGlycine receptor antibody mediated Progressive Encephalomyelitis with Rigidity and Myoclonus (PERM): a rare but treatable neurological syndrome.
A 40-year-old man presented with respiratory compromise and was intubated. After tracheostomy, he was found to have ophthalmoplegia, severe limb rigidity, stimulus-sensitive myoclonus and autonomic dysfunction. For 1 week before admission, there had been a prodromal illness with low mood, hallucinations and limb myoclonus. ⋯ The antibody is likely to be disease mediating, although this remains unproven. The spectrum of diagnosable and treatable antibody mediated neurological syndromes is expanding. It is vital to recognise these conditions early to reduce morbidity and mortality.
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Neuropathic pain (NP) develops as a consequence of a lesion or disease affecting the somatosensory pathways in the peripheral or central nervous system, and occurs in many neurological diseases (eg, peripheral neuropathy, radiculopathy, spinal cord injury, stroke and multiple sclerosis). It affects 6%-8% of the general population and its impact on quality of life, mood and sleep exceeds the burden of its causative pathology. A peculiar feature of NP is the coexistence of negative and positive symptoms and signs, reflecting loss-of-function and gain-of-function of the somatosensory system, respectively. ⋯ In recent years, a redefinition, diagnostic algorithm, and some guidelines on diagnosis and treatment of NP have been published. This review offers an updated overview on the definition, pathophysiology, clinical evaluation, diagnosis and treatment of NP and focuses on some of the most frequent NP conditions. We intend to help overcome uncertainties on NP and bridge the gap between evidence based medicine and the real clinical world.