The supratentorial primitive neuroectodermal tumors (PNETs) are a group of highly
malignant lesions primarily affecting young children. Although these tumors are …

Outcomes for average-risk medulloblastoma are excellent with 5-year event-free survival
and overall survival> 80%. Treatment failures include radiation-induced glioblastomas …

Objective: Rare disease Background: Ewing sarcoma and primitive neuroectodermal tumor
are rare tumors grouped under the spectrum of the Ewing sarcoma family of tumors. These …

Chapter 8 addresses three different tumors: medulloblastoma, primitive neuroectodermal
tumors, and pineal tumors. The genetic and molecular studies in medulloblastoma are …

Radiation-induced medulloblastoma is an exceedingly rare phenomenon for which
treatment standards have not been established. The literature suggests that these tumors …

We report a case of a 17-year-old female who presented with a CNS primitive
neuroectodermal tumour 12 years after cranial radiotherapy for relapsed childhood acute …

Secondary, radiation-induced, supratentorial primitive neuroectodermal tumors (PNETs) are
extremely rare entities which may present in survivors of childhood cancers after central …

A 15-year-old girl was diagnosed with a spinal anaplastic pilocytic astrocytoma. The
histologic features were similar to pilocytic astrocytoma WHO grade I, but with an increased …

The authors report a case of primitive neuroectodermal tumor induced by radiation therapy
of craniopharyngioma. This African-American male patient originally presented with …

The transformation from low grade to aggressive astrocytoma is well known. However, the
development of a completely different tumour such as a primitive neuroectodermal tumour …