The Teaching Point

PNETs are aggressive embryologic tumors with a poor prognosis and are divided in central and peripheral types. Although peripheral PNETs spread early to bones, lymph nodes, lung and liver, a leptomeningeal spread, as in this case, is extremely rare.






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From the manuscript

Solitary epidural brain metastasis of a peripheral neuroepithelioma (a primitive neuroectodermal tumor): a case report

Free full text article: Solitary epidural brain metastasis of a peripheral neuroepithelioma (a primitive neuroectodermal tumor): a case report

Abstract
A 14 year old male was referred to a CT scan at our hospital for evaluation of headache. The patient was a known case of cervical soft tissue primitive neuroectodermal tumor (PNET) who has undergone surgery and radiotherapy 4 years ago. CT scan showed a large solitary extra axial, epidural lesion in the right parietal region, with mass effect and bony involvement. Subsequently, surgery was performed and the resultant biopsy was neuroepithelioma. After diagnosis the patient has undergone chemotherapy and radiotherapy. He remained symptom free, and also follow up CT scans of the brain, chest, and abdomen were normal after two years post surgery. This is the first reported case of epidural metastasis of a head and neck (peripheral) PNET.






References



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1. neuroepithelioma

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5. epidural metastasis

6. epidural


This article belongs to the Pediatric section.


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