J Korean Neurol Assoc.
2018 May;36(2):103-106. 10.17340/jkna.2018.2.9.
Anti-N-methyl-D-aspartate Receptor Encephalitis Caused by a Mature Mediastinal Teratoma
- Affiliations
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- 1Department of Neurology, Ajou University School of Medicine, Suwon, Korea. taz312@gmail.com
- KMID: 2436108
- DOI: http://doi.org/10.17340/jkna.2018.2.9
Abstract
- An extra-ovarian teratoma has been reported in a few cases of anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis. A 25-year-old woman presented with psychiatric symptoms. We did not find an ovarian teratoma on initial examination, and her initial simple chest X-ray was normal. We incidentally found an abnormality on follow-up simple chest X-ray and diagnosed an anterior mediastinal teratoma. Therefore, in patients with suspected anti-NMDAR encephalitis, even if simple chest X-ray is normal, chest computed tomography should be performed to investigate a hidden teratoma.
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