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A retrospective evaluation of the prognostic value of different parameters available in patients affected by glial tumours and submitted to serial stereotactic biopsy is presented. The series investigated includes thirty-three untreated patients with proven brain gliomas submitted to stereotactic biopsy. All patients have been clinically and neuroradiologically monitored for three years. The factors investigated belong either to the preoperative data (clinical history and symptomatology, CT pattern and volume of the lesion) or to histological and biological data obtained after the stereotactic biopsy. The results suggest the need of a multimodal prognostic evaluation in glial tumours and particularly stressed is the accuracy of prognostic indications derived from cell kinetic studies. [ABSTRACT FROM AUTHOR]

The use of a new prosthetic material (110 DTEX F 33 Propylene and Medical Polyester Torlen 165 DTEX) in the reconstruction of bone defects of the skull, even of large dimension, is described by the authors. The material has good biologic tolerance, is already pre-moulded, can be easily adapted to the exact size of the defect and offers remarkable aesthetic and functional results. EEG, X-ray, MRI and CT can be performed without artefact and interferences.