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case_images: MRI findings of hyperintensities in the brainstem (yellow arrows) in FLAIR-weighted images and DWI.
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case_images: It also did not display restricted diffusion (Figure 1).
case_images: EEG findings of generalized PSW complexes.
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case_images: Longer-range EEG monitoring (Figure 2) showed an epileptogenic pattern with generalized positive sharp waves (PSWs).
case_images: CT examination of the small pelvis, with a dermoid cyst (yellow box) found in the region of the right ovary.
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case_images: Histological appearance of mature ovarian teratoma composed of different structures:stratified squamous epithelium, cutaneous adnexal structures (sweat glands, pilosebaceous units with hair follicles and sebaceous glands), fat tissue, and neuroglial cells. HE, 40x magnification.
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case_images: Hematoxylin-eosin (HE) staining revealed a characteristic spectrum of elements, including stratified squamous epithelium and cutaneous adnexal structures (sweat glands and pilosebaceous units with hair follicles and sebaceous glands) and fat tissue accompanied by neuroglial cells (Figure 4).
case_images: Detail of neuroglial cells ((a.), HE). Detail of sebaceous glands ((c.), HE). Immunohistochemical reaction of antibody against NMDA receptor type 2B, with diffused positivity (brown color) in neuroglial cells (b.) and sebaceous glands (d.); visualization DAB, 200x magnification.
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