- Age groups: Pediatrics > Adults (3rd to 5th decades of life).
- Gender: M > F
- Presentation: Pain, paresthesia, motor symptoms.
- Associations: NF-1
- Thoracic > Cervical spinal cord
- Eccentric > Central within the spinal cord
- On average 7 vertebral bodies in length or more
- +/- Tumoral cysts
- +/- Hemorrhage
- +/- Dorsal scalloping of vertebral bodies (less common than ependymoma)
- CT and CT Myelography:
- Spinal cord not well evaluated. May see spinal cord swelling.
- +/- Dorsal scalloping of vertebral bodies (less common than ependymoma).
- T1: Isointense or hypointense
- T1 + Contrast: Heterogeneous or patchy enhancement more often than homogenous enhancement.
- T2: Hyperintense. Tumoral cysts and hemorrhage when present may be hypointense.
- STIR: Hyperintense
Contributor: Jacob A. Eitel, MD
“A Pattern Approach to the Differential Diagnosis of Intramedullary Spinal Cord Lesions on MR Imaging" : American Journal of Roentgenology : Vol. 170, No. 6 (AJR).
Jeffrey S. Ross MD, and Kevin R. Moore MD. Diagnostic Imaging: Spine, 3e. 3 edition. Philadelphia: Elsevier, 2015.
Koeller, Kelly K., R. Scott Rosenblum, and Alan L. Morrison. “Neoplasms of the Spinal Cord and Filum Terminale: Radiologic-Pathologic Correlation.” RadioGraphics 20, no. 6 (November 1, 2000): 1721–49.
Smith, Alice Boyd, Karl A. Soderlund, Elisabeth J. Rushing, and James G. Smirniotopolous. “Radiologic-Pathologic Correlation of Pediatric and Adolescent Spinal Neoplasms: Part 1, Intramedullary Spinal Neoplasms.” American Journal of Roentgenology 198, no. 1 (January 1, 2012): 34–43.
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