title: Spontaneous transdural extension of malignant astrocytoma. Case report.
abstract: A case of malignant astrocytoma in the frontoparietal parasagittal region with transgression into the overlying dura mater and the skull is presented. Spontaneous transdural extension of a glioma is an extremely rare growth pattern. A mode of transdural extension of this tumor is discussed and related reports are reviewed.
mesh_terms: D001254:Astrocytoma / Q000473:pathology*; D001932:Brain Neoplasms / Q000473:pathology*; D004388:Dura Mater / Q000473:pathology*; D005260:Female; D006801:Humans; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D012888:Skull Neoplasms / Q000473:pathology*