ArticleAME case reports2025
AQP4 antibody-seropositive neuromyelitis optica spectrum disorder in a patient with mixed connective tissue disease: a case report.
Article in AME case reports, 2025. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Overlap syndrome of anti-aquaporin-4 positive neuromyelitis optica spectrum disorder and mixed connective tissue disease: a case report.Frontiers in immunology · 2025Article
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Authors and funding
8 authors.
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Abstract
Background: Neuromyelitis optica spectrum disorders (NMOSDs) are degenerative diseases frequently associated with severe recurrences and high risk of progressive disability. In this report, we describe an unusual case of a patient with the coexistence between NMOSD and mixed connective tissue disease (MCTD). Case Description: A 58-year-old Caucasian man was admitted to the Emergency Department (ED) with low back pain and walking inability. He had an unsteady gait, paraesthesia of the lower limbs and pain in the left lumbar area of the spine. He previously manifested repeated episodes of Raynaud's phenomenon. The neurological examination revealed pyramidal signs with asymmetric and progressive paraparesis associated with hypoesthesia and bladder dysfunction. A spine magnetic resonance imaging (MRI) revealed the presence of a long extensive cervico-dorsal myelitis. Among laboratory analyses, serum immunometric examinations came back positive for anti-RNP (272 U/mL) and anti-SSA (20 U/mL) antibodies, whereas a recombinant immunofluorescence assay revealed the presence of immunoglobulin G (IgG) antibodies against AQP4. Consequently, he was treated with high-doses of corticosteroids, with progressive resolution of symptoms. To date, his last cervico-dorsal spine MRI showed negative results. Conclusions: Only a few anecdotal cases of the coexistence between NMOSD and MCTD have so far been described, and many clinical aspects of this association are not yet fully known. Missed diagnosis of rheumatologic or neurologic diseases may lead to treatment delay and, potentially, irreversible disability. Closer collaboration between neurologists and rheumatologists is needed for the early diagnosis of both diseases.
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