PMC8882612_01
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.
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F1
She was gibberish for 13 days, followed by fever for 1 day (Figure 1).
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.
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F2
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).
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.
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F3
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).