期刊
NEUROLOGY AND CLINICAL NEUROSCIENCE
卷 11, 期 1, 页码 52-54出版社
WILEY
DOI: 10.1111/ncn3.12681
关键词
anti-N-methyl-D-aspartate receptor encephalitis; autoimmune encephalitis; case report; cerebrospinal fluid; chromosomally integrated human herpesvirus 6
This case study reports on a 30-year-old woman who presented with psychological symptoms and was later diagnosed with anti-NMDAR encephalitis and chromosomally integrated human herpesvirus 6 (ciHHV6). The patient had an ovarian teratoma, anti-NMDAR antibodies, and HHV6-DNA in her serum and cerebrospinal fluid. Treatment with laparoscopic oophorectomy and immunotherapy improved her symptoms and HHV6-DNA was detected in her oral mucosa cells. This case highlights the importance of differentiating between HHV6 infection and ciHHV6 when HHV6-DNA is detected in the cerebrospinal fluid of encephalitis patients.
Chromosomally integrated human herpesvirus 6 (ciHHV6) is a condition where HHV6-DNA is integrated into the host germline genome. ciHHV6 can be misdiagnosed as active HHV6 infection. We report a 30-year-old woman presenting with psychological symptoms without a history of immunodeficiency. She had an ovarian teratoma and anti-N-methyl-D-aspartate receptor (NMDAR) antibodies in the cerebrospinal fluid (CSF) with HHV6-DNA in the serum and CSF. The final diagnosis was anti-NMDAR encephalitis and ciHHV6 because laparoscopic oophorectomy and immunotherapy ameliorated her symptoms and HHV6-DNA was detected in her oral mucosa cells. This case suggests the need to assess whether HHV6-DNA is related to infection or ciHHV6 when HHV6-DNA is detected in the CSF of patients with encephalitis.
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