Table 1.
Tests for anti-NMDAR encephalitis associated with ovarian teratoma
| Date | Test | Results | |
|---|---|---|---|
| Case 1 | Apr. 17, 2013 | NMDAR antibodies | Serum: positive (+) |
| CSF: Strong positive (++) | |||
| Apr. 18, 2013 | Pelvic CT | Left ovarian cystic lesions | |
| Apr. 22, 2013 | Pelvic Ultrasound | Left ovarian cyst | |
| May 9, 2013 | NMDAR antibodies | Serum: Weakly positive | |
| CSF: positive (+) | |||
| May 14, 2013 | Anatomopathology | Ovarian mature cystic teratoma | |
| May 22, 2013 | NMDAR antibodies | Serum: Negative (−) | |
| CSF: Weakly positive | |||
| Case 2 | June 16, 2014 | NMDAR antibodies | Serum: positive (+) |
| June 23, 2014 | NMDAR antibodies | Serum: Weakly positive | |
| CSF: positive (+) | |||
| June 26, 2014 | Pelvic Ultrasound | Right ovarian cyst | |
| June 26, 2014 | Pelvic MRI | Right ovarian cystic lesions | |
| July 1, 2014 | Anatomopathology | Ovarian mature cystic teratoma | |
| July 7, 2014 | NMDAR antibodies | Serum: Negative (−) | |
| CSF: positive (+) |
The NMDAR antibody results came from Peking Union Hospital; unfortunately, no precise values for NMDAR antibodies were obtained in the test reports. The second patient rejected further testing for NMDAR antibodies after July 7, 2014