{"title":"可治疗的快速进行性痴呆:台湾第一例抗二肽基肽酶样蛋白6脑炎。","authors":"Ming-Chen Tsai, Hung-Kai Shih, Hong-Han Lin, Ming-Yi Tsai, Yueh-Feng Sung","doi":"","DOIUrl":null,"url":null,"abstract":"<p><strong>Purpose: </strong>Anti-dipeptidyl-peptidase-like protein 6 (DPPX) encephalitis is a rare but treatable autoimmune disorder, characterized by gastrointestinal symptoms, cognitive dysfunction, and central nervous system hyperexcitability.</p><p><strong>Case report: </strong>Herein, we report a case of an 80-year-old male patient who presented with unexplained diarrhea, weight loss, rapidly progressive dementia, tremors, and myoclonus. His serum tested positive for anti-DPPX antibodies. He was treated with plasma exchange, oral prednisolone, and azathioprine. All his symptoms improved substantially after treatment.</p><p><strong>Conclusion: </strong>Early recognition of anti-DPPX encephalitis is important because it can be treated with immunotherapy. To the best of our knowledge, this is the first reported case of anti-DPPX encephalitis in Taiwan.</p>","PeriodicalId":7102,"journal":{"name":"Acta neurologica Taiwanica","volume":"30(3) ","pages":"118-122"},"PeriodicalIF":0.0000,"publicationDate":"2021-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Treatable Rapid Progressive Dementia: A First Case Report of Anti-dipeptidyl-peptidase-like Protein 6 Encephalitis in Taiwan.\",\"authors\":\"Ming-Chen Tsai, Hung-Kai Shih, Hong-Han Lin, Ming-Yi Tsai, Yueh-Feng Sung\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Purpose: </strong>Anti-dipeptidyl-peptidase-like protein 6 (DPPX) encephalitis is a rare but treatable autoimmune disorder, characterized by gastrointestinal symptoms, cognitive dysfunction, and central nervous system hyperexcitability.</p><p><strong>Case report: </strong>Herein, we report a case of an 80-year-old male patient who presented with unexplained diarrhea, weight loss, rapidly progressive dementia, tremors, and myoclonus. His serum tested positive for anti-DPPX antibodies. He was treated with plasma exchange, oral prednisolone, and azathioprine. All his symptoms improved substantially after treatment.</p><p><strong>Conclusion: </strong>Early recognition of anti-DPPX encephalitis is important because it can be treated with immunotherapy. To the best of our knowledge, this is the first reported case of anti-DPPX encephalitis in Taiwan.</p>\",\"PeriodicalId\":7102,\"journal\":{\"name\":\"Acta neurologica Taiwanica\",\"volume\":\"30(3) \",\"pages\":\"118-122\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-09-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Acta neurologica Taiwanica\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"Medicine\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta neurologica Taiwanica","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Medicine","Score":null,"Total":0}
Treatable Rapid Progressive Dementia: A First Case Report of Anti-dipeptidyl-peptidase-like Protein 6 Encephalitis in Taiwan.
Purpose: Anti-dipeptidyl-peptidase-like protein 6 (DPPX) encephalitis is a rare but treatable autoimmune disorder, characterized by gastrointestinal symptoms, cognitive dysfunction, and central nervous system hyperexcitability.
Case report: Herein, we report a case of an 80-year-old male patient who presented with unexplained diarrhea, weight loss, rapidly progressive dementia, tremors, and myoclonus. His serum tested positive for anti-DPPX antibodies. He was treated with plasma exchange, oral prednisolone, and azathioprine. All his symptoms improved substantially after treatment.
Conclusion: Early recognition of anti-DPPX encephalitis is important because it can be treated with immunotherapy. To the best of our knowledge, this is the first reported case of anti-DPPX encephalitis in Taiwan.
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