fibrillary astrocytoma

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Disease Overview

The most frequent histological variant of diffuse astrocytoma. It is predominantly composed of fibrillary neoplastic astrocytes. Nuclear atypia is a diagnostic criterion but mitotic activity, necrosis and microvascular proliferation are absent. The occasional or regional occurrence of gemistocytic neoplastic cells is compatible with the diagnosis of fibrillary astrocytoma. (WHO)


Synonyms

  • fibrillary astrocytic tumors
  • fibrillary astrocytic tumours
  • fibrillary astrocytomafibrillary astrocytic tumors
  • fibrillary astrocytic tumours
  • fibrillary astrocytoma