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Updated: May 26, 2026

Establishing a Mouse Model of a Pure Small Fiber Neuropathy with the Ultrapotent Agonist of Transient Receptor Potential Vanilloid Type 1
Published on: February 13, 2018
Characterization of non-length-dependent small-fiber sensory neuropathy
1Department of Neurology, Neurological Institute, Cleveland Clinic, 9500 Euclid Avenue/S90, Cleveland, Ohio 44195, USA.
Introduction:
Non-length-dependent small-fiber sensory neuropathy (NLD-SFSN) is not as well characterized as length-dependent small-fiber sensory neuropathy (LD-SFSN).
Methods:
Sixty-three patients with NLD-SFSN were compared with 175 patients with LD-SFSN for their demographics and disease associations.
Results:
Age was younger in those with NLD-SFSN (45.5 ± 13.1 years) than in those with LD-SFSN (55.1 ± 11.4 years, P < 0.001). Forty-six of 63 (73.0%) patients were women in the NLD-SFSN group, whereas 84 of 175 (48.0%) were women in the LD-SFSN group (P < 0.001). Disease associations were identified in 26 of 63 (41.3%) patients with NLD-SFSN, including diabetes or prediabetes in 10 (15.9%), connective tissue diseases in 6 (9.5%), thyroid dysfunction in 4 (6.3%), sarcoidosis in 3 (4.8%), vitamin B(12) deficiency in 2 (3.2%), and paraproteinemia in 1 (1.6%). Immune-mediated conditions were present in 9 of 63 (14.3%) patients with NLD-SFSN and 6 of 175 (3.4%) patients with LD-SFSN (P = 0.012).
Conclusions:
NLD-SFSN is more common in women, presents at a younger age, and is more likely to be associated with immune-mediated conditions than LD-SFSN.
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