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Figure 1: MR imaging of the brain and spine. (a) Axial, (b) sagittal T2W images of the brain show diffuse cerebellar atrophy with prominent folial spaces. (c) Coronal STIR, (d) axial T2W images reveal a well-defined left paravertebral solid mass lesion extending from D2-D5 thoracic vertebral levels with extension into the extradural spinal canal along the left neural exit foramina without any spinal cord compression (dashed arrow). The lateral extension is noted along the intercostal nerves (white arrow). (e) Axial gradient image shows calcification within the lesion (arrowhead). (f) Postcontrast T1W image reveals only minimal enhancement. (g) Microphotograph of Hematoxylin-eosin (H and E) sections at higher magnification (100×) shows irregularly formed fascicles in schwannian stroma with scattered mature ganglion cells, confirming the diagnosis of ganglioneuroma. Inset showsa closer view of ganglion cells

Figure 1: MR imaging of the brain and spine. (a) Axial, (b) sagittal T2W images of the brain show diffuse cerebellar atrophy with prominent folial spaces. (c) Coronal STIR, (d) axial T2W images reveal a well-defined left paravertebral solid mass lesion extending from D2-D5 thoracic vertebral levels with extension into the extradural spinal canal along the left neural exit foramina without any spinal cord compression (dashed arrow). The lateral extension is noted along the intercostal nerves (white arrow). (e) Axial gradient image shows calcification within the lesion (arrowhead). (f) Postcontrast T1W image reveals only minimal enhancement. (g) Microphotograph of Hematoxylin-eosin (H and E) sections at higher magnification (100×) shows irregularly formed fascicles in schwannian stroma with scattered mature ganglion cells, confirming the diagnosis of ganglioneuroma. Inset showsa closer view of ganglion cells