primitive neuroectodermal tumor

Introduction

Probably part of a spectrum of Ewing's sarcoma family of tumors, which includes adult neuroblastoma, malignant small cell tumor of the thoracopulmonary region (Askin's tumor), paravertebral small-cell tumor and atypical Ewing's sarcoma. In some contexts (at one time) included:

• medulloblastoma
• medulloepithelioma
• neuroblastoma
• spongioblastoma
• ependymoblastoma
• pineoblastoma
• Ewing's sarcoma

More general terms

• Ewing's sarcoma family of tumors