Key result
3D MRI models provide comprehensive assessment of musculoskeletal morphology and pathology, demonstrating growing potential to replace 3D CT models in clinical practice.
Why the study?
While CT is most commonly used for 3D models of bone and joint morphology, 3D MRI models can also effectively assess osseous and soft tissue pathology, offering the potential to replace CT and simplify pre- and postoperative imaging work-ups.
Answers are grounded in this paper and cite their sources.
3D MRI models offer a viable, radiation-free alternative to 3D CT for comprehensive musculoskeletal assessment.
Computed tomography (CT) is most commonly used to produce three-dimensional (3D) models for evaluating bone and joint morphology in clinical practice. However, 3D models created from magnetic resonance imaging (MRI) data can be equally effective for comprehensive and accurate assessment of osseous and soft tissue structure morphology and pathology. The quality of 3D MRI models has steadily increased over time, with growing potential to replace 3D CT models in various musculoskeletal (MSK) applications. In practice, a single MRI examination for two-dimensional and 3D assessments can increase the value of MRI and simplify the pre- and postoperative imaging work-up. Multiple studies have shown excellent performance of 3D MRI models in shoulder injuries, in the hip in the setting of femoroacetabular impingement, and in the knee for the creation of bone surface models. Therefore, the utility of 3D MRI postprocessed models is expected to continue to rise and broaden in applications. Computer-based and artificial intelligence-assisted postprocessing techniques have tremendous potential to improve the efficiency of 3D model creation, opening many research avenues to validate the applicability of 3D MRI and establish 3D-specific quantitative assessment criteria. We provide a practice-focused overview of 3D MRI acquisition strategies, postprocessing techniques for 3D model creation, MSK applications of 3D MRI models, and an illustration of cases from our daily clinical practice.
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Mohammad Samim (2021) conducted a review in Musculoskeletal conditions. 3D MRI models vs. 3D CT models was evaluated. 3D MRI models provide comprehensive assessment of musculoskeletal morphology and pathology, demonstrating growing potential to replace 3D CT models in clinical practice.
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