Abstract #1040

Fully-Automated One-Button-Push 10-min 3D CAIPIRINHA SPACE TSE MRI of the Knee: A Multi-Center Multi-Reader Multi-Field-Strength Validation Study

Filippo Del Grande¹, Marco Delcogliano¹, Riccardo Guglielmi¹, Esther Raithel², Derek Papp³, Steven E Stern⁴, Christian Candrian¹, and Jan Fritz³

¹Ospedale Regionale di Lugano, Lugano, Switzerland, ²Siemens Healthcare GmbH, Erlangen, Germany, ³The Johns Hopkins University School of Medicine, Baltimore, MD, United States, ⁴Bond Business School, Gold Coast, Australia

2D TSE MRI is widely used for the evaluation of internal knee derangement but is time-consuming. Recently introduced 3D TSE acceleration strategies, such as CAIPIRINHA allow for fast sampling, and together with AutoAlign technology enable now fully automated one-button-push 3D MRI protocols in 10 minutes total scan time. In a prospective study of 150 subjects, we analyzed the frequencies of structural abnormalities, inter-reader reliability, inter-method concordance, diagnostic definitiveness, and interchangeability of 10-min 3D CAIPIRINHA SPACE TSE protocols and 20-min 2D TSE standard-of-reference protocols. Our results indicated that that 10-min 3D TSE protocols are at least equivalent to 20-min 2D TSE protocols for the diagnosis of internal derangement of the knee.

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