PANEL 535
Small Fiber Neuropathy (SFN)
Indication
Small fiber neuropathy and suspicion of inflammatory sensory neuropathy.
Clinic
IgM-antibodies against TS-HDS are reported in a subgroup of patients with small fiber neuropathy (SFN) with unknown underlying cause. These antibodies activate complement and immune therapy may be effective, clinical trials are ongoing. TS-HDS IgM seems to be more frequent and specific for SFN than IgG-antibodies against fibroblast growth factor receptor 3 (FGFR3). Antibodies against FGFR3 have been reported in patients with autoimmune diseases and concomitant sensory neuropathy.
References
Farhad K. Current Diagnosis and Treatment of Painful Small Fiber Neuropathy. Curr Neurol Neurosci Rep. 2019 Nov 26;19(12):103. PMID: 31773305.
Levine TD, et al. Muscle Nerve. 2020 Apr;61(4):512-515. doi: 10.1002/mus.26748. Epub 2019 Nov 6. PMID: 31650561.
Zeidman LA. Advances in the Management of Small Fiber Neuropathy. Neurol Clin. 2021 Feb;39(1):113-131. PMID: 33223078.
Antoine JC, et al. Antifibroblast growth factor receptor 3 antibodies identify a subgroup of patients with sensory neuropathy. J Neurol Neurosurg Psychiatry. 2015 Dec;86(12):1347-55. doi: 10.1136/jnnp-2014-309730. Epub 2015 Jan 27. PMID: 25628376.
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PAKET 535
Fintrådsneuropati (SFN)
Indikation
Fintrådsneuropati och misstanke om inflammatoriska sensorisk neuropati
Klinik
IgM-antikroppar mot TS-HDS har rapporterats förekomma hos en undergrupp av patienter med fintrådsneuropati utan annan känd underliggande orsak. Antikropparna är komplementaktiverande och immunmodulerande behandling kan ha positiv effekt, kliniska studier pågår. TS-HDS IgM förefaller vara vanligare och mer specifika för fintrådsneuropati än IgG-antikroppar mot fibroblast growth factor receptor 3 (FGFR3). Antikroppar mot FGFR3 har rapporterats hos patienter med autoimmun systemsjukdom och samtidig sensorisk neuropati.
Referenser
- Farhad K. Current Diagnosis and Treatment of Painful Small Fiber Neuropathy. Curr Neurol Neurosci Rep. 2019 Nov 26;19(12):103. PMID: 31773305.
- Levine TD, et al. Muscle Nerve. 2020 Apr;61(4):512-515. doi: 10.1002/mus.26748. Epub 2019 Nov 6. PMID: 31650561.
- Zeidman LA. Advances in the Management of Small Fiber Neuropathy. Neurol Clin. 2021 Feb;39(1):113-131. PMID: 33223078.
- Antoine JC, et al. Antifibroblast growth factor receptor 3 antibodies identify a subgroup of patients with sensory neuropathy. J Neurol Neurosurg Psychiatry. 2015 Dec;86(12):1347-55. doi: 10.1136/jnnp-2014-309730. Epub 2015 Jan 27. PMID: 25628376.