case_images: PMC5154198_01
case_images: (a) MRI spine sagittal cut T2 weighted showing hyperintense anteriorly placed paraspinal lesion extending from D11 to lower border of D12; (b) MRI spine axial cut post-contrast homogenous enhancement and close proximity with inferior vena cava (IVC); (c) MRI spine coronal cut showing lesion measuring 46.0 x 36 mm closely abutting the abdominal aorta and is displacing the IVC anteriorly
case_images: SNI-7-889-g001.jpg
case_images: PMC5154198_01_SNI-7-889-g001.jpg
case_images: F1
case_images: Magnetic resonance imaging of the abdomen including thoracolumbar spine with and without intravenous contrast [Figure 1] showed a retroperitoneal paraspinal mass measuring 46.0 x 36 mm right crus of the diaphragm anterolateral to T11-T12 vertebral bodies reaching up to T12-L1 intervertebral disc.
case_images: Well-circumscribed, encapsulated nodular tissue measuring 5.5 x 4.5 x 3.5 cm
case_images: SNI-7-889-g002.jpg
case_images: PMC5154198_01_SNI-7-889-g002.jpg
case_images: F2
case_images: The examination of gross surgical specimen [Figure 2] revealed a well-circumscribed, encapsulated nodular tissue measuring 5.5 x 4.5 x 3.5 cm.
case_images: (a) Hematoxylin and eosin stained section (Original magnification x10) showing well-defined nests of cuboidal cells having granular cytoplasm, separated by highly vascular septae. (b) tumor cells show cytoplasmic staining for Immunohistochemical stain synaptophysin (Original magnification x20); (c) immunohistochemical stain chromogranin, positive in cytoplasm of tumor cells. (Original magnification x20); (d) Immunohistochemical stain S-100. (Original magnification x20)
case_images: SNI-7-889-g003.jpg
case_images: PMC5154198_01_SNI-7-889-g003.jpg
case_images: F3
case_images: Microscopic examination [Figure 3] revealed well-defined nests of cuboidal cells arranged in a "Zellballen" pattern which were separated by highly vascular fibrous septae.