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Abstract #0632

High-Resolution Oblique Coronal MRI with Optimal Flexed-Knee Angle for Anterior Cruciate Ligament Tear Diagnosis

Yunjie Liao1, Can Chen1, Xiao Liu1, Qi Liang1, Song Peng1, Peng Wu2, Lu Han2, and Pengzhi Hu1
1Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha, China, 2Clinical & Technical Support, Philips Healthcare, Shanghai, China

Synopsis

Keywords: Whole Joint, MSK

Motivation: Anterior cruciate ligament (ACL) injuries are prevalent in the realm of knee injuries. Conventional MRI methodologies employed for diagnosing ACL tears exhibit low accuracy.

Goal(s): Evaluate the diagnostic efficacy of high-resolution coronal MRI performed at an optimal flexion angle specifically for ACL tears.

Approach: Healthy volunteers and patients are scanned to find the optimal flexion angle and compare the image quality with traditional extended-knee positioning approach.

Results: The implementation of high-resolution coronal imaging at the ideal flexion angle (30 degrees) has the potential to enhance ACL visualization and improve diagnostic accuracy when compared with conventional techniques.

Impact: The utilization of high-resolution coronal imaging at the optimal flexion angle (30 degrees) demonstrated a substantial enhancement in the visualization of the anterior cruciate ligament (ACL), resulting in a notable improvement in diagnostic accuracy as compared to conventional techniques.

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Keywords