ArticleAnnals of clinical and translational neurology2026
Nationwide Survey of Atopic Myelitis and Plexin D1-Immunoglobulin G-Related Pain.
Article in Annals of clinical and translational neurology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Recent advances in autoantibody-mediated pain.Current opinion in supportive and palliative care · 2026Review
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11 authors.
Funding
Abstract
objectiveTo elucidate the features of plexin D1-immunoglobulin (Ig)G-associated neuropathic pain and its relationship to atopic myelitis (AM) in a nationwide Japanese survey.
methodsA preliminary survey questionnaire was sent to 1574 selected departments (neurology and pediatrics/pediatric neurology) to explore the numbers of AM and plexin D1-IgG-positive patients between 2018 and 2022. A secondary survey collected detailed patient data via a questionnaire.
resultsIn the preliminary survey, 987 (62.7%) institutions responded, reporting 87 AM patients (49 women) and 11 plexin D1-IgG-positive non-AM patients (8 women). The secondary survey collected 71 AM (plexin D1-IgG-positive: 6/31) and 11 plexin D1-IgG-positive non-AM patients (83.7% recovery rate). In AM, paresthesia/dysesthesia was most frequently experienced (> 90%), followed by pain (> 70%). The underlying diseases in 17 plexin D1-IgG-positive patients, all of whom had neuropathic pain, were AM and small fiber neuropathy in 6 each, neuromyelitis optica spectrum disorder with aquaporin-4-IgG in 2, and painful trigeminal neuropathy, erythromelalgia, and multiple sclerosis in 1 each. When 14 plexin D1-IgG-positive patients (excluding 3 patients with established demyelinating diseases) were compared with 25 plexin D1-IgG-negative AM patients, onset ≥ 50 years old, pain at onset, and allodynia/erythromelalgia/facial pain during the entire disease course were significantly more common in the plexin D1-IgG-positive group. Conversely, atopic disorders and hyperIgEemia were associated with plexin D1-IgG-negative AM but not plexin D1-IgG-positive patients.
interpretationBoth AM and plexin D1-IgG-positive patients present long-standing neuropathic pain, whereas plexin D1-IgG is particularly associated with aged-onset neuropathic pain, allodynia, erythromelalgia, and facial pain, but not atopy.
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