Bilateral and symmetric C1-C2 dumbbell ganglioneuromas associated with neurofibromatosis type 1: A case report

Figure 2 Histopathology of the resected lesion. A: Hematoxylin and eosin staining showing spindle-shaped tumor cells, fusiform nuclei, and ganglion cells scattered in the tumor tissue (arrow). B-F: Immunohistochemistry showing Ki-67 (1%+) (B), NeuN (Scattered+) (C), NF (Scattered+) (D), S-100 (+) (E), and Vimentin (+) (F) (arrows).