case_images: PMC8882612_01
case_images: The summary of the clinical features, therapy, and antibody titers. NMDAR: N-methyl-Daspartate receptor; AMPAR: alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor; CSF: cerebrospinal fluid; and IVIG: intravenous immunoglobulin. * The patient underwent laparoscopic partial ovariectomy on June 12. Neg: negative.
case_images: fmed-08-759559-g0001.jpg
case_images: PMC8882612_01_fmed-08-759559-g0001.jpg
case_images: F1
case_images: She was gibberish for 13 days, followed by fever for 1 day (Figure 1).
case_images: Cranial MRI results of the patient. Cranial MRI showed an increased signal intensity in the mesial temporal lobes and the hippocampus on T2 FLAIR and diffusion-weighted images. (A) T1-weighted image. (B) T2 FLAIR image. (C) Diffusion-weighted image.
case_images: fmed-08-759559-g0002.jpg
case_images: PMC8882612_01_fmed-08-759559-g0002.jpg
case_images: F2
case_images: Brain MRI revealed a fluid attenuation inversion recover (FLAIR) high-intensity lesion involving the mesial temporal lobes and the hippocampus on May 13, 2021 (Figure 2).
case_images: The pathology results of the patient. The specimen showed mature cystic teratoma, consisting of choroid plexus, neuropil, sebaceous glands, hair follicles, and cartilage tissue by H&E staining. The arrows indicate lesions in (A-E). (A-E) Representative histopathological features of mature teratoma. (A) Choroid plexus. (B) Neuropil. (C) Hair follicles. (D) Sebaceous glands. (E) Cartilage tissue.
case_images: fmed-08-759559-g0003.jpg
case_images: PMC8882612_01_fmed-08-759559-g0003.jpg
case_images: F3
case_images: The pathology report showed mature cystic teratoma in the right ovarian, consisting of choroid plexus, neuropil, sebaceous glands, hair follicles, and cartilage tissue (Figure 3).