Magnetic Resonance Imaging Techniques in Hip Fracture Diagnosis

Magnetic resonance imaging (MRI) has become the cornerstone for detecting hip fractures that elude conventional radiography, particularly in elderly or traumatised patients. By exploiting differences in proton relaxation properties, modern MRI protocols visualise bone marrow oedema, cortical discontinuities and trabecular microarchitecture with high contrast. Sequences such as T1-weighted morphological scans delineate fracture lines, while T2-weighted and fat-suppressed methods sensitively reveal associated soft-tissue and marrow changes. Diffusion-weighted imaging (DWI) further discriminates acute bone injury from chronic lesions and post-surgical alterations. Ultra-short echo time (UTE) and three-dimensional volumetric sequences enhance the depiction of cortical bone and enable multiplanar reformats without ionising radiation. High-field scanners (3 T and above) improve spatial resolution, reducing scan time and motion artefacts. Complementary approaches, including metal-artefact reduction techniques, facilitate assessment in postoperative hips. The integration of quantitative metrics—apparent diffusion coefficients, T2 relaxation times and proton density mapping—supports a more objective classification of fracture severity and healing potential. In clinical practice, MRI guides timely surgical decision-making and rehabilitation planning, reducing the risk of displacement in occult injuries. Ongoing efforts focus on standardising imaging protocols, minimising acquisition times and harnessing artificial intelligence for automated detection, thereby broadening access to accurate hip fracture diagnosis worldwide.

Research from Nature Portfolio

No recent Nature Portfolio content available.

Magnetic Resonance Imaging Techniques in Hip Fracture Diagnosis publication trend

The graph below shows the total number of articles in magnetic resonance imaging techniques in hip fracture diagnosis across all publications each year (not limited to Nature Index journals).

Technical terms

Occult fracture: A bone break not visible on initial radiographs but identifiable on cross-sectional imaging.

T1-weighted imaging: An MRI sequence highlighting anatomical detail and fat-rich tissues, useful for mapping fracture lines.

T2-weighted imaging with fat suppression: Enhances contrast between fluid-rich oedema and adjacent structures, revealing bone marrow changes.

Diffusion-weighted imaging (DWI): Reflects water molecule mobility, distinguishing acute injury from chronic or healing tissue.

Ultra-short echo time (UTE): An MRI technique capturing signals from cortical bone by minimising echo delay, improving osseous resolution.

Bone marrow oedema: Increased interstitial fluid within marrow spaces, appearing as high signal on T2-weighted and proton-density scans, indicating acute injury.

References

1. Investigation of Occult Hip Fractures: The Use of CT and MRI. The Scientific World JOURNAL (2013).
2. Occult fractures of the proximal femur: imaging diagnosis and management of 82 cases in a regional trauma center. World Journal of Emergency Surgery (2015).
3. Diagnostic strategy for elderly patients with isolated greater trochanter fractures on plain radiographs. BMC Musculoskeletal Disorders (2018).