Mike Notohamiprodjo1, Annie Horng2, Bernhard Kuschel2, Peter Br3, Maximilian F. Reiser, Christian Glaser
1Institute for Clinical Radiology, University Hospitals Munich, Munich, Bavaria, Germany; 2University Hospitals Munich, Insitute for Clinical Radiology; 3Siemens Sector Healthcare
The purpose of this study was to evaluate an optimized 3D-TSE-sequence for ankle-MRI at 3T. Fifteen volunteers and 25 patients were examined at 3T with a dedicated 8-channel-ankle coil and the isotropic PDfs-weigthed 3D-TSE-sequence SPACE featuring optimized variable flip angles, elliptical scanning and radial k-space readout for improved contrast and time efficient acquisition. In comparison to current 2D-TSE-sequences, relevant SNR and CNR were significantly higher. The 3D-reconstruction capabilities provided better visualization of small structures, ligaments and lesions. Diagnostic confidence was not significantly different in the 3D-TSE-sequence. This technique holds high potential for future ankle-MRI protocols.