PMC5672643_01
(a) T2WI showing the intraspinal portion of the mass. (b) T2WI showing extraspinal portion of the mass. (c) CT showing intact vertebral bodies without bone involvement. (d) CTA showing dilation of the internal jugular vein. (e-h) T2WI axial cuts at C4, C5, C6, and C7, respectively. Abbreviations: CT, computed tomography; CTA, computed tomography angiography; T2WI, T2-weighted image
SNI-8-250-g001.jpg
PMC5672643_01_SNI-8-250-g001.jpg
F1
It also expanded anteriorly, abutting the posterior aspect of the carotid sheath causing focal narrowing of the internal jugular vein resulting in distal dilation [Figure 1].
Intraoperative photographs. (a) Post durotomy demonstrating grayish intradural mass. (b) Post resection showing decompressed spinal cord
SNI-8-250-g002.jpg
PMC5672643_01_SNI-8-250-g002.jpg
F2
The durotomy was closed primarily and the posterior cervical wound was closed in the standard manner [Figure 2].
(a) Hematoxylin and Eosin 40x - cords and lobules of physaliphorous cells with myxoid stroma. (b) EMA 40x - diffusely positive. (c) Cytokeratin AE1/AE3 40x - diffusely positive. (d) S100 40x - diffusely positive
SNI-8-250-g003.jpg
PMC5672643_01_SNI-8-250-g003.jpg
F3
Immunohistochemical staining showed positivity for AE1/AE3, EMA, and S100, supporting the diagnosis of chordoma [Figure 3].