MRI of a Primitive Neuro-Ectodermal Tumor (PNET) in the brain. Grade IV tumors. This means they are malignant (cancerous) and fast-growing. PNETs occur more commonly in children, but can occur in adults. PNETs.
Keywords: adult, brain tumor, malignant, primitive neuroectodermal tumor intracranial PNET is common in children but rarely occurs in adults.
Biopsy revealed PNET-like recurrence of the previously treated MG-PNET. and is the most common primary malignant brain tumor in adults.
PNETs contain underdeveloped brain cells, are highly malignant, and tend to adults, radiation therapy to the entire brain and spine usually follows surgery.