Catalog

Protoplasmic astrocytoma of brain

No MMS code

Link to WHO Definition

Protoplasmic astrocytoma of brain – http://id.who.int/icd/entity/412260377

A rare variant of diffuse astrocytoma. It is predominantly composed of neoplastic astrocytes showing a small cell body with few, flaccid processes with a low content of glial filaments and scant GFAP expression. This lesion is not well defined and is considered by some authors as an occasional histopathological feature rather than a reproducibly identifiable variant. When occurring in children, this neoplasm may be difficult to separate from pilocytic juvenile astrocytoma. (Adapted from WHO)