case_images: PMC5124665_01
case_images: MRI of the head and neck: axial and coronal views of mass. The lesion with 2,8*2,3 cm size on the front of musculus sternocleidomastoideus and internal carotid artery.
case_images: CRIOT2016-1454932.001.jpg
case_images: PMC5124665_01_CRIOT2016-1454932.001.jpg
case_images: fig1
case_images: The lesion which pushes parotid gland towards the front was starting from the inferior part of the posterior digastric muscle and progressing up to the C4 level (Figure 1).
case_images: (a) Intraoperative view of the neurogenic mass. (b) The lesion with 4 cm size after the total excision. (c) Upper part of the nerve was held by the clamp.
case_images: CRIOT2016-1454932.002.jpg
case_images: PMC5124665_01_CRIOT2016-1454932.002.jpg
case_images: fig2
case_images: The total mass was extracted (Figure 2).
case_images: Photomicrographs showing more than 50% of tumor tissue in this case composed of Schwannian stroma and neuropil-like islands, differentiating neuroblasts, and immature and dysplastic ganglion cells. H&E (a and b), original magnification (a) 10x and (b) 40x.
case_images: CRIOT2016-1454932.003.jpg
case_images: PMC5124665_01_CRIOT2016-1454932.003.jpg
case_images: fig3
case_images: In addition, differentiation neuroblasts and immature and dysplastic ganglion cells were observed under microscopic examination (Figure 3).