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Fig 4. Photomicrographs show immunohistochemical stains for glial fibrillary acidic protein (A) and neurofilament (B) that demonstrate the presence of mature nerve elements (arrows) within the background stroma of the lesion. A, x40; B, x200.
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Fig 4. Photomicrographs show immunohistochemical stains for glial fibrillary acidic protein (A) and neurofilament (B) that demonstrate the presence of mature nerve elements (arrows) within the background stroma of the lesion. A, x40; B, x200.
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