Question:medium
All of the following are neuronal tumours EXCEPT:
All of the following are neuronal tumours EXCEPT:
Show Hint
Ependymal cells are glial, not neuronal, so their tumour is the odd one out.
Updated On: Jun 24, 2026
- Gangliocytoma
- Ganglioglioma
- Neuroblastoma
- Ependymoma
Show Solution
The Correct Option is D
Solution and Explanation
The task is to separate tumours built from nerve cells from one built from supporting glial cells. Three of the listed lesions trace their lineage to neurons or their precursors: a gangliocytoma is a mass of well-differentiated ganglion cells, a ganglioglioma blends neoplastic ganglion cells with a glial stroma yet still carries a clear neuronal element, and a neuroblastoma springs from immature neuroblasts that are committed to the neuronal line. The odd one out is the ependymoma, which grows from the ependymal lining of the ventricular system; these lining cells are members of the glial family rather than the neuronal family, so the tumour is grouped among the gliomas. Since the question asks for the non-neuronal entity, the answer is the ependymoma. \[\boxed{\text{Ependymoma}}\]
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