Neuronal tumor

Neuronal tumor (Orphanet code 251924) is a broad classification category encompassing a group of rare neoplasms that arise from neurons or neuronal precursor cells within the central or peripheral nervous system. These tumors include a spectrum of entities ranging from benign to malignant, such as gangliocytomas, gangliogliomas, central neurocytomas, dysembryoplastic neuroepithelial tumors (DNETs), and other tumors with neuronal differentiation. They primarily affect the brain and spinal cord, though peripheral forms can also occur. Clinical presentation varies widely depending on the tumor's location, size, and grade. Common symptoms may include seizures (particularly in cortical tumors), headaches, focal neurological deficits, increased intracranial pressure, visual disturbances, and cognitive or behavioral changes. Some neuronal tumors, especially low-grade variants, may present with long-standing epilepsy that is often drug-resistant. In children, these tumors may also cause developmental delay or regression of milestones. Treatment depends on the specific tumor type, grade, and location. Surgical resection is the primary therapeutic approach for most neuronal tumors, and complete resection often provides an excellent prognosis, particularly for low-grade tumors such as gangliogliomas and DNETs. Adjuvant radiation therapy or chemotherapy may be considered for higher-grade or incompletely resected tumors. Prognosis is generally favorable for many neuronal tumors, though malignant variants carry a more guarded outlook. Long-term follow-up with neuroimaging is recommended to monitor for recurrence.

Data sourced from FDA regulatory filings and ClinicalTrials.gov. Updated periodically.

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