Anti-N-methyl-D-aspartate receptor encephalitis associated with an ovarian teratoma: two cases report and anesthesia considerations

Table 1 Tests for anti-NMDAR encephalitis associated with ovarian teratoma

	Date	Test	Results
Case 1	Apr. 17, 2013	NMDAR antibodies	Serum: positive (+)
	Apr. 17, 2013	NMDAR antibodies	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
	May 9, 2013	NMDAR antibodies	CSF: positive (+)
	May 14, 2013	Anatomopathology	Ovarian mature cystic teratoma
	May 22, 2013	NMDAR antibodies	Serum: Negative (−)
	May 22, 2013	NMDAR antibodies	CSF: Weakly positive
Case 2	June 16, 2014	NMDAR antibodies	Serum: positive (+)
	June 23, 2014	NMDAR antibodies	Serum: Weakly positive
	June 23, 2014	NMDAR antibodies	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 (−)
	July 7, 2014	NMDAR antibodies	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

ISSN: 1471-2253