High Resolution MRI of the Parotid Gland and Duct at 7 Tesla
O Kraff, PC Kokulinsky, JM Theysohn, S Maderwald, S Kruszona, Z Dogan, ME Ladd, ER Gizewski, SC Ladd · RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren · 2009 · Heft 01
Bibliografische Angaben
Zusammenfassung
Purpose: To assess optimized GRE and TSE sequences at 7T for high-resolution MRI of the parotid gland and duct. Materials and Methods: A Magnetom 7T whole-body scanner (Siemens) was used in combination with a 10-cm-diameter loop coil (Rapid Biomed). GRE (MEDIC, DESS) and TSE (PD/T2, STIR) sequences were applied in five healthy volunteers and four patients with suspicion of gland inflammation or tumors. High-resolution images were compared with 1.5T images. SNR and CNR were calculated between duct and surrounding tissue. A visual evaluation of the overall quality was performed. Results: The high 0.6mm isotropic r…