Abstract #3513

Dedicated surface coils for MR studies in the temporal and the frontal lobes of the human brain at 7T

Jérémie Daniel Clément¹, Lijing Xin², Rolf Gruetter^3,4,5, and Özlem Ipek²

¹CIBM-LIFMET, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland, ²CIBM-AIT, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland, ³LIFMET, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland, ⁴Department of Radiology, University of Geneva, Geneva, Switzerland, ⁵Department of Radiology, University of Lausanne, Lausanne, Switzerland

The purpose of the study was to build dedicated surface coils for the temporal and the frontal lobes of the human brain at 7T. Their transmit field efficiency and single-voxel spectroscopy performances were compared with a birdcage coil with a dielectric pad. An increased B₁⁺-field for the brain regions was measured with the surface coils compared to the birdcage with the pad, which allows single-voxel SPECIAL spectroscopy and anatomical image acquisitions in the peripheral temporal and frontal lobes.

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