Fig. 1
From: A rare case of bilateral cervical vagal neurofibromas: role of high-resolution ultrasound
a Intraoperative findings demonstrating that the tumor originates from the vagus nerve. b After the mass was removed, we cut the affected distal vagus nerve. c Physical examination revealing “cafe-au-lait” spots. d Histopathological examination showing spindle-shaped cells with narrow nucleus interspersed with thick bands of collagen (hematoxylin and eosin staining; magnification × 40)