case_images: PMC4732264_01
case_images: Histopathology slide shows papillae with fibrovascular core lined by tumor cells with round to oval nuclei, vesicular chromatin, prominent nucleoli and scant eosinophilic cytoplasm. (Hematoxylin and eosin, x20)
case_images: AJNS-11-78b-g001.jpg
case_images: PMC4732264_01_AJNS-11-78b-g001.jpg
case_images: F1
case_images: Perivascular rosette pattern was also present. [Figure 1] Immunohistochemistry showed diffuse cytoplasmic positivity for cytokeratin and neuron-specific enolase.