piloid astrocytoma


piloid astrocytoma
1. pilocytic a. 2. polar spongioblastoma.

Medical dictionary. 2011.

Look at other dictionaries:

  • astrocytoma — A glioma derived from astrocytes. [G. astron, star, + kytos, cell, + oma, tumor] anaplastic a. intermediate grade a. characterized by increased cellularity, nuclear pleomorphism, mitoses, and variable …   Medical dictionary

  • polar spongioblastoma — spongioblastoma polare a rare malignant brain tumor seen from childhood to young adulthood, characterized by palisades of unipolar spongioblasts; sites may be either cerebral or cerebellar. Called also piloid astrocytoma and unipolar s …   Medical dictionary