...Constantinos G. Hadjipanayis; Ajay Niranjan; Elizabeth Tyler-Kabara; Douglas Kondziolka; John C. Flickinger; L. Dade Lunsford Objective: To examine the role of stereotactic radiosurgery in the management of patients with progressive, well-circumscribed grade II fibrillary astrocytomas. Methods...

... and nystagmus. Histopathological examination showed a pilocytic astrocytoma. The tumor volume was 14.4 cm 3 . Dose planning was performed using axial and coronal Ti-weighted enhanced images. The marginal dose was 12 Gy at the 40% isodose line. The dose to the optic apparatus was less then 9 Gy. The second case...

... and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements. Stereotactic techniques Brachytherapy Glioma Brain tumor Astrocytoma Interstitial radiotherapy Leksell frame ...

...RJ. Coffey By sheer weight of numbers, patients with malignant glial neoplasms of the astrocytoma series (glioblastoma multiforme, anaplastic astrocytoma, astrocytoma grade 3 or grade 4, depending upon the grading system), and to a lesser extent, patients with high-grade ependymomas...

... responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements. Brachytherapy Radiation necrosis Glioma Astrocytoma Stereotactic surgery ...

... Brachytherapy Astrocytoma Iodine-125 ...

...Mark K. Lyons; Patrick J. Kelly Twenty-three cases of pathologically verified thalamic pilocytic astrocytomas diagnosed at computer-assisted stereotactic biopsy and/or volumetric resection at the Mayo Clinic between January 1985 and October 1990 were reviewed. Computer-assisted stereotactic...

...) the following factors were associated with longer survival: lobar tumor location, adequate radiation therapy (RT) tumor dose 5,000–6,000 cGy, Karnofsky performance rating (KPR) at presentation ≧70, and a normal level of consciousness before biopsy. In 27 patients with anaplastic astrocytoma, factors associated...