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Abstract #3522

High resolution DCE MRI of the Pituitary gland using Radial K space Aquisition with Compressed Sensing Reconstruction

Camilla Rossi Espagnet 1 , Lev Bangiyev 1 , Kai Tobias Block 2 , Robert Grimm 3 , Li Feng 2 , Vito Ruggiero 2 , James Babb 2 , Adam Davis 1 , Daniel K. Sodickson 2 , and Girish Fatterpekar 1

1 Neuroradiology, NYULMC, New York, NY, United States, 2 Radiology, NYULMC, New York, NY, United States, 3 Pattern Recognition Lab, FAU, Erlangen, Nuremberg, Germany

Dynamic T1W contrast-enhanced sequence is considered to be the gold standard to evaluate the pituitary gland. However, it does not allow assessment of perfusion characteristics of the pituitary gland. The purpose of this study was to demonstrate the utility of recently developed Radial-VIBE with GRASP to evaluate perfusion characteristics of individual component of pituitary gland. Signal-time curves generated from 79 patients demonstrated significant differences in the enhancement pattern and perfusion metrics between anterior, posterior pituitary gland and median eminence. This validation study confirms the ability of GRASP technique to evaluate the hitherto unexplored perfusion characteristics of the pituitary gland.

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