Imaging in Osteoarthritis

Area of Science:

• Orthopedics
• Radiology
• Biomedical Engineering

Background:

• Osteoarthritis (OA) is a prevalent degenerative joint disease with significant health and economic impacts.
• Joint imaging, especially MRI, has seen rapid advancements, crucial for clinical research in OA.
• Understanding OA imaging is vital for scientists, clinicians, and industry professionals interested in the condition.

Purpose of the Study:

• To provide a comprehensive introduction to various Osteoarthritis (OA) imaging modalities.
• To discuss the current role and advancements in radiography and joint space width measurement.
• To review cartilage morphology and biochemical composition assessment techniques in OA research.

Main Methods:

• Narrative review of existing literature on OA imaging techniques.
• Discussion of radiography, ultrasound, computed tomography (CT), and metabolic imaging.
• Focus on magnetic resonance imaging (MRI) advancements for OA assessment.

Main Results:

• Radiography remains important, with progress in joint space width measurement.
• MRI is the primary imaging method in OA research, offering detailed cartilage assessment.
• Quantitative 3D morphologic and semi-quantitative whole-organ OA assessments are advancing.

Conclusions:

• Magnetic resonance imaging (MRI) is the leading modality for Osteoarthritis (OA) research.
• Other imaging techniques like ultrasound and CT provide complementary information.
• Continued advancements in imaging are essential for better OA understanding and management.