Etiology |
A subtype of neuroepithelial tumor, but the cytogenesis of this kind of tumor remains unclear. |
Incidence |
Rare, with 59 reported cases |
Gender ratio |
Of the 59 cases, there was no gender predilection and the male to female ratio was 1. |
Age predilection |
Age range of 2 to 70 years with an average age of 16.33. |
Risk factor |
Unknown |
Treatment |
Gross total surgical resection is recommended. Radiotherapy is necessary for tumors located in the functional area. |
Prognosis |
90.24% patients were seizure-free after gross total surgical resection. |
Findings on imaging |
MRI: supratentorial lobe, predominantly in the temporal lobe; hyper-intense lesion on T2WI without enhancement, cortical hyper-intense “rim” in T1WI and stalk-like extension to the cerebral ventricle in T2WI. |