3. fMRI en DTI
• Significant effect op chirurgische planning
• Agressievere benadering1
• Bevestiging irresectabiliteit1
Petrella JR, Shah LM, Harris KM, Friedman AH, George TM, Sampson JH, Pekala JS, Voyvodic JT. Preoperative
1
Functional MR Imaging Localization of Language and Motor Areas: Effect on Therapeutic Decision Making in
Patients with Potentially Resectable Brain Tumors. Radiology 2006;3:793-802.
5. DTI
• Oriëntatie witte stof banen
• Anisotropische eigenschappen
• Watermoleculen in axonen diffunderen meer
in de lengterichting dan loodrecht
– Myeline omgeven banen
6. De praktijk
• 1.5 T MRI (Siemens Avanto)
• fMRI en DTI radioloog en neurochirurg
15. Conclusie
• Met 1.5 T adequate fMRI en DTI preoperatief
• Combinatie van fMRI en DTI betere weergave
kritieke corticale gebieden en zenuwbanen
• Goede samenwerking belangrijk voor kwaliteit
en beoordeling
16. Referenties
• 1. Petrella JR, Shah LM, Harris KM, Friedman AH, George TM, Sampson JH, Pekala
JS, Voyvodic JT. Preoperative Functional MR Imaging Localization of Language and
Motor Areas: Effect on Therapeutic Decision Making in Patients with Potentially
Resectable Brain Tumors. Radiology 2006;3:793-802.
• 2. Wilkinson ID, Romanowski CAJ, Jellinek DA, Morris J, Griffiths PD. Motor
functional MRI for pre-operative and intraoperative neurosurgical guidance. The
British Journal of Radiology 2003;76:98-103.
• 3. Ten Donkelaar HJ. Clinical Neuroanatomy. Brain Circuitry and Its Disorders.
2011:107-131.
• 4. Krasnow B, Tamm L, Greicius MD, Yang TT, Glover GH, Reiss AL, Menon V.
Comparison of fMRI activation at 3 and 1.5 T during perceptual, cognitive and
affective processing. NeuroImage 2003;18:813-826.
• 5. Voss HU, Zevin JD, McCandliss BD. Functional MR Imaging at 3.0 T versus 1.5 T:
A Practical Review. Neuroimaging Clinics of North America 2006;16:285-297.
17. Met dank aan
• B.M. Wiarda, radioloog MCA
• W.F. Tan, neurochirurg MCA
• P.R. Algra, radioloog MCA