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Abstract #2642

Validation of Deep Learning Volume Interpolated Breath-hold Exam (VIBE) versus Standard VIBE for Detecting Internal Auditory Canal Lesions.

Chen Hua Chiang1,2,3, Sittaya Buathong1,3, Azadeh Hajati1,4, Azadeh Tabari1,4, Wei-Ching Lo5, Dominik Nickel6, Bryan Clifford5, Robert Sellers7, Stephen F. Cauley5, John Conklin1,4, and Susie Y Huang1,4,8
1Department of Radiology, Massachusetts General Hospital, Boston, MA, United States, 22. Department of Medical Image, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan, 3Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Boston, MA, United States, 4Harvard Medical School, Boston, MA, United States, 5Siemens Medical Solutions USA, Boston, MA, United States, 6Siemens Healthineers AG, , Germany, Forchheim, Germany, 7Siemens Medical Solutions USA, Philadelphia, PA, United States, 8Harvard-MIT Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA, United States

Synopsis

Keywords: AI/ML Image Reconstruction, AI/ML Image Reconstruction, MRI, IAC

Motivation: MRI is vital for evaluating intracranial pathologies, but standard VIBE can be limited by artifacts and lower soft tissue contrast. Recent DL-based reconstructions offer potential for improved imaging quality and reduced scan times.

Goal(s): To determine if DL-VIBE is non-inferior to standard VIBE in diagnostic quality.

Approach: A prospective study with 62 patients undergoing IAC MRI. Radiologists assessed DL-VIBE and ST-VIBE sequences using a 5-point scale across multiple diagnostic categories for qualitative comparison and quantitative comparison.

Results: DL-VIBE was non-inferior in key image quality, with high interrater agreement for enhancing lesions and comparable SNR, CNR while providing a 15% reduction in scanned time.

Impact: DL-VIBE supports efficient clinical workflows and reliable diagnostics compared with standard VIBE, encouraging wider adoption of DL-based MRI protocols.

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Keywords