Case Report: Reversible chorea arising from severe vitamin B12 deficiency due to autoimmune gastritis: a comprehensive case study
Cognitive impairment, ocular neuropathy, sensorimotor polyneuropathy, and subacute combined spinal cord degeneration can all result from a common illness called vitamin B12 insufficiency. With regard to extrapyramidal movement disorders, it is rare, frequently misdiagnosed, and under recognized, whi...
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Frontiers Media S.A.
2025-08-01
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| Series: | Frontiers in Nutrition |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fnut.2025.1590837/full |
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| author | Meifang Yang Meifang Yang Meifang Yang Yifan Geng Yifan Geng Yifan Geng Zhiren Chen Zixuan Zhou Zixuan Zhou Zixuan Zhou Wenjuan Huang Wenjuan Huang Weiwei Chen Weiwei Chen Xia Zhang Xia Zhang |
| author_facet | Meifang Yang Meifang Yang Meifang Yang Yifan Geng Yifan Geng Yifan Geng Zhiren Chen Zixuan Zhou Zixuan Zhou Zixuan Zhou Wenjuan Huang Wenjuan Huang Weiwei Chen Weiwei Chen Xia Zhang Xia Zhang |
| author_sort | Meifang Yang |
| collection | DOAJ |
| description | Cognitive impairment, ocular neuropathy, sensorimotor polyneuropathy, and subacute combined spinal cord degeneration can all result from a common illness called vitamin B12 insufficiency. With regard to extrapyramidal movement disorders, it is rare, frequently misdiagnosed, and under recognized, which postpones timely treatment. A case study of a 66-year-old man with acute-onset and reversible choreoathetoid symptoms is presented in this publication. A significant vitamin B12 deficiency and an abnormal hypermetabolism in the basal ganglia region were detected by 18F-FDG PET/CT. Remarkably, the patient’s dyskinesia disappeared as soon as vitamin B12 replacement therapy was administered. The patient’s etiology was identified as a mix of vitamin B12 malabsorption and inadequate intake from autoimmune-related gastritis. In order to achieve the best potential therapeutic results, this case highlights the importance of timely and correct diagnosis, timely treatment of vitamin B12 deficiency based on its underlying etiology, and careful research of multiple etiologies. |
| format | Article |
| id | doaj-art-7de71d2bf10b4c839b407e87dd4c8977 |
| institution | Kabale University |
| issn | 2296-861X |
| language | English |
| publishDate | 2025-08-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Nutrition |
| spelling | doaj-art-7de71d2bf10b4c839b407e87dd4c89772025-08-21T04:10:29ZengFrontiers Media S.A.Frontiers in Nutrition2296-861X2025-08-011210.3389/fnut.2025.15908371590837Case Report: Reversible chorea arising from severe vitamin B12 deficiency due to autoimmune gastritis: a comprehensive case studyMeifang Yang0Meifang Yang1Meifang Yang2Yifan Geng3Yifan Geng4Yifan Geng5Zhiren Chen6Zixuan Zhou7Zixuan Zhou8Zixuan Zhou9Wenjuan Huang10Wenjuan Huang11Weiwei Chen12Weiwei Chen13Xia Zhang14Xia Zhang15Department of Neurology, Xuzhou Central Hospital, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou School of Clinical Medicine of Nanjing Medical University, Xuzhou, Jiangsu, ChinaSoutheast University Affiliated Xuzhou Central Hospital, Xuzhou, Jiangsu, ChinaDepartment of Neurology, Xuzhou Clinical College, Xuzhou Medical University, Xuzhou, Jiangsu, ChinaDepartment of Neurology, Xuzhou Central Hospital, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou School of Clinical Medicine of Nanjing Medical University, Xuzhou, Jiangsu, ChinaSoutheast University Affiliated Xuzhou Central Hospital, Xuzhou, Jiangsu, ChinaDepartment of Neurology, Xuzhou Clinical College, Xuzhou Medical University, Xuzhou, Jiangsu, ChinaDepartment of Neurology, Xuzhou Clinical College, Xuzhou Medical University, Xuzhou, Jiangsu, ChinaDepartment of Neurology, Xuzhou Central Hospital, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou School of Clinical Medicine of Nanjing Medical University, Xuzhou, Jiangsu, ChinaSoutheast University Affiliated Xuzhou Central Hospital, Xuzhou, Jiangsu, ChinaDepartment of Neurology, Xuzhou Clinical College, Xuzhou Medical University, Xuzhou, Jiangsu, ChinaDepartment of Neurology, Xuzhou Central Hospital, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou School of Clinical Medicine of Nanjing Medical University, Xuzhou, Jiangsu, ChinaSoutheast University Affiliated Xuzhou Central Hospital, Xuzhou, Jiangsu, ChinaDepartment of Neurology, Xuzhou Central Hospital, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou School of Clinical Medicine of Nanjing Medical University, Xuzhou, Jiangsu, ChinaSoutheast University Affiliated Xuzhou Central Hospital, Xuzhou, Jiangsu, ChinaDepartment of Neurology, Xuzhou Central Hospital, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou School of Clinical Medicine of Nanjing Medical University, Xuzhou, Jiangsu, ChinaSoutheast University Affiliated Xuzhou Central Hospital, Xuzhou, Jiangsu, ChinaCognitive impairment, ocular neuropathy, sensorimotor polyneuropathy, and subacute combined spinal cord degeneration can all result from a common illness called vitamin B12 insufficiency. With regard to extrapyramidal movement disorders, it is rare, frequently misdiagnosed, and under recognized, which postpones timely treatment. A case study of a 66-year-old man with acute-onset and reversible choreoathetoid symptoms is presented in this publication. A significant vitamin B12 deficiency and an abnormal hypermetabolism in the basal ganglia region were detected by 18F-FDG PET/CT. Remarkably, the patient’s dyskinesia disappeared as soon as vitamin B12 replacement therapy was administered. The patient’s etiology was identified as a mix of vitamin B12 malabsorption and inadequate intake from autoimmune-related gastritis. In order to achieve the best potential therapeutic results, this case highlights the importance of timely and correct diagnosis, timely treatment of vitamin B12 deficiency based on its underlying etiology, and careful research of multiple etiologies.https://www.frontiersin.org/articles/10.3389/fnut.2025.1590837/fullvitamin B12 deficiencychoreaautoimmune gastritis18F-FDG PET/CTmovement disorders |
| spellingShingle | Meifang Yang Meifang Yang Meifang Yang Yifan Geng Yifan Geng Yifan Geng Zhiren Chen Zixuan Zhou Zixuan Zhou Zixuan Zhou Wenjuan Huang Wenjuan Huang Weiwei Chen Weiwei Chen Xia Zhang Xia Zhang Case Report: Reversible chorea arising from severe vitamin B12 deficiency due to autoimmune gastritis: a comprehensive case study Frontiers in Nutrition vitamin B12 deficiency chorea autoimmune gastritis 18F-FDG PET/CT movement disorders |
| title | Case Report: Reversible chorea arising from severe vitamin B12 deficiency due to autoimmune gastritis: a comprehensive case study |
| title_full | Case Report: Reversible chorea arising from severe vitamin B12 deficiency due to autoimmune gastritis: a comprehensive case study |
| title_fullStr | Case Report: Reversible chorea arising from severe vitamin B12 deficiency due to autoimmune gastritis: a comprehensive case study |
| title_full_unstemmed | Case Report: Reversible chorea arising from severe vitamin B12 deficiency due to autoimmune gastritis: a comprehensive case study |
| title_short | Case Report: Reversible chorea arising from severe vitamin B12 deficiency due to autoimmune gastritis: a comprehensive case study |
| title_sort | case report reversible chorea arising from severe vitamin b12 deficiency due to autoimmune gastritis a comprehensive case study |
| topic | vitamin B12 deficiency chorea autoimmune gastritis 18F-FDG PET/CT movement disorders |
| url | https://www.frontiersin.org/articles/10.3389/fnut.2025.1590837/full |
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