Preoperative mapping of language area

It is done by functional MRI (fMRI) at 3T.

There are pitfalls in preoperative fMRI as currently used in preoperative language mapping in glioma patients, made more complicated when high-grade and hyperperfused tumors are evaluated 1)

1)
Kuchcinski G, Mellerio C, Pallud J, Dezamis E, Turc G, Rigaux-Viodé O, Malherbe C, Roca P, Leclerc X, Varlet P, Chrétien F, Devaux B, Meder JF, Oppenheim C. Three-tesla functional MR language mapping: Comparison with direct cortical stimulation in gliomas. Neurology. 2015 Jan 14. pii: 10.1212/WNL.0000000000001226. [Epub ahead of print] PubMed PMID: 25589667.