Presentation
Lower back pain.
Patient Data
Age: 15 years
Gender: Female
From the case:
Cauda equina neuroendocrine tumor
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MRI demonstrates intradural extramedullary tumors. A 22 x 14 mm mass is seen at the level of the L3/L4 disc, 12 x 16 mm mass is seen at the level of the L4 vertebral body and 13 x 7 mm mass is seen at the level of the L4/L5 disc. These lesions have homogenous hypointense signal on both T1 and T2 weighted images.
Case Discussion
The patient went on to have a biopsy. Histological diagnosis: Paraganglioma.
Note: These tumors were previously known as spinal paragangliomas however they are molecularly and genetically distinct from paragangliomas seen elsewhere in the body and as such the term neuroendocrine tumor is preferred in the 5th edition (2021) WHO classification of CNS tumors.
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