Arthroscopic Optical Coherence Tomography in Diagnosis of Early Arthritis

Figure 3

Representative images obtained during arthroscopy, optical coherence tomography (OCT), and magnetic resonance imaging (MRI) 𝑇₂ mapping relaxation times. The higher the 𝑇₂ relaxation time reflects a greater degree of hydration which may correlate with increased articular cartilage degeneration. ((a)–(c)) arthroscopically firm (a), OCT with birefringence (b), and MRI 𝑇₂ mapping (c). ((d)–(f)), arthroscopically firm (d), OCT without birefringence (e), and MRI 𝑇₂ map (f). ((g)–(i)), arthroscopic fissuring (g), OCT with surface fissuring and fibrillation (h), and MRI 𝑇₂ map (i).