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CZECH MEDICAL ASSOCIATION J. Ev. PURKYNĚ |
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Česky / Czech version | Vnitř. Lék., 47, 2001, No. 8, p. 527-531 |
Advances in the Diagnosis of Tumours by Imaging Methods (Possibilities of Three-dimensional Imaging and Application to Volumetric Resections of Brain Tumours
with Evaluation in Virtual Reality and Subsequent Stereotactically Navigated Demarcation Krupa P., Novák Z Klinika zobrazovacích metod Fakultní nemocnice u sv. Anny, Brno, přednosta doc. MUDr. Petr Krupa Neurochirurgické oddělení Fakultní nemocnice u sv. Anny,Brno, přednosta prim. MUDr. Zdeněk Novák |
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Summary: Oncological problems are so varied that it is very difficult to record all advances in different diagnostic branches in a comprehensive manner. In the first part the authors focus attention on an
example of the possible use of imaging examination methods in conjunction with different types
of three-dimensional imaging used in their hospital. The second part is devoted to volumetric resections of brain tumours with navigated demarcation. In 17 patients the authors used the PC
working station equipped with navigation software STEREOPLAN PLUS for planning volumetric
resection of different brain tumours in virtual reality. The demarcation proper of the brain tumour size during surgery was implemented by means of a stereotactic apparatus ZAMORANO-
DUJOVNY and a pointer in the field of the microscope. The accuracy of navigation of the whole
system for demarcation of the tumourous affection was ± 1 mm. The intervention was supplemen-
ted by functional examination by means of surface electrodes during partial awakening of the patient for mapping the functional areas of the cerebral cortex. The result was resection of
relatively precise volumes of tumourous tissue with the possibility of maximum preservation in
particular of motor but also other functionsof the CNS.
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